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< title > SimpleX Chat: private and secure messenger without any user IDs (not even random)< / title >
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< p class = "primary-header text-center xl:text-left font-bold text-[38px] md:text-[55px] leading-[46px] md:leading-[63px] mb-2 xl:mb-8" > Privacy redefined< / p >
< p class = "secondary-header text-center xl:text-left font-bold text-[28px] md:text-[38px] leading-[36px] md:leading-[43px] mb-2 xl:mb-8 tracking-[0.01em]" > The first messenger< br > without user IDs< / p >
< p class = "landing-page-header-article-paragraph text-black dark:text-white text-center xl:text-justify text-[16px] leading-[24px] mb-[20px] header-description" >
Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc.< br >
SimpleX does not, < strong > not even random numbers< / strong > .< br >
This radically improves your privacy.
< / p >
< a href = "javascript:void(0)" data-show-overlay = "hero-overlay-2" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-center xl:text-left text-[14px] xl:text-[16px] leading-[34px] underline-offset-2" > Why user IDs are bad for privacy?< / a >
< div id = "hero-overlay-2" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
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< h1 class = "text-3xl font-bold text-active-blue mb-6" > Why user IDs are bad for privacy?< / h1 >
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< p >
When users have persistent identities,
even if this is just a random number, like a Session ID,
there is a risk that the provider or an attacker can observe
how the users are connected and how many messages they send.
< / p >
< p >
They could then correlate this information with the existing
public social networks, and determine some real identities.
< / p >
< p >
Even with the most private apps that use Tor v3 services,
if you talk to two different contacts via the same profile
they can prove that they are connected to the same person.
< / p >
< p >
SimpleX protects against these attacks by not having any
user IDs in its design. And, if you use Incognito mode,
you will have a different display name for each contact,
avoiding any shared data between them.
< / p >
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< h1 class = "text-3xl font-bold text-active-blue mb-6" > How does SimpleX work?< / h1 >
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< p >
Many users asked: < em > if SimpleX has no user identifiers, how can it know where to deliver messages?< / em >
< / p >
< p >
To deliver mesages, instead of user IDs used by all other platforms,
SimpleX uses temporary anonymous pairwise identifiers of message queues,
separate for each of your connections — there are no long term identifiers.
< / p >
< p >
You define which server(s) to use to receive the messages,
your contacts — the servers you use to send the messages to them.
Every conversation is likely to use two different servers.
< / p >
< p >
This design prevents leaking any users' metadata on the application level.
To further improve privacy and protect your IP address you can connect to messaging servers via Tor.
< / p >
< p >
Only client devices store user profiles, contacts and groups; the messages are sent with 2-layer end-to-end encryption.
< / p >
< p >
Read more in < a href = "https://github.com/simplex-chat/simplexmq/blob/stable/protocol/overview-tjr.md" target = "_blank" > SimpleX whitepaper< / a > .
< / p >
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< p class = "text-black dark:text-white hidden md:block text-center xl:text-left text-[16px] leading-[26px] mb-[11px] md:mt-6" > Get SimpleX< / p >
< div class = "socials flex items-center justify-center xl:justify-start gap-4 flex-wrap mt-[30px]" >
< a href = "https://apps.apple.com/us/app/simplex-chat/id1605771084" target = "_blank" > < img class = "h-[40px] w-auto" src = "/img/new/apple_store.svg" / > < / a >
< a href = "https://play.google.com/store/apps/details?id=chat.simplex.app" target = "_blank" title = "Public iOS preview on TestFlight" > < img class = "h-[40px] w-auto" src = "/img/new/google_play.svg" / > < / a >
< a href = "https://app.simplex.chat" target = "_blank" title = "SimpleX F-Droid Repository" > < img class = "h-[40px] w-auto" src = "/img/new/f_droid.svg" / > < / a >
< a href = "https://testflight.apple.com/join/DWuT2LQu" target = "_blank" > < img class = "h-[40px] w-auto" src = "/img/new/testflight.png" / > < / a >
< a href = "https://github.com/simplex-chat/simplex-chat/releases/latest/download/simplex.apk" target = "_blank" > < img class = "h-[40px] w-auto" src = "/img/new/apk_icon.png" / > < / a >
< / div >
< / article >
< / div >
< / section >
< section class = "xl:h-[calc(100vh-66px)] xl:max-h-[888px]" >
< div class = "h-[calc(100%-81.42px)] w-full flex flex-col items-start justify-around" >
< div class = "hero-video-phone-container w-full xl:hidden" >
< div class = "hidden relative md:flex items-center justify-center" >
< img id = "hero-video-phone-Background hidden md:block" src = "/img/new/tab-video.svg" / >
< video class = "absolute rounded-lg top-10 w-[235px] ml-[-6px] mt-1" controls >
< source src = "/video/connect.mp4" type = "video/mp4" >
< / video >
< / div >
< div class = "w-full md:hidden my-10 relative flex items-center justify-center bg-[#17203D]" >
< video class = "w-full" controls >
< source src = "/video/connect.mp4" type = "video/mp4" >
< / video >
< / div >
< / div >
< article class = "w-full xl:max-w-[600px] landing-page-header-article px-5" >
< p class = "text-active-blue text-center xl:text-left font-bold text-[28px] md:text-[35px] leading-[36px] md:leading-[43px] mb-[28px]" >
Make a private connection
< / p >
< p class = "text-center text-black dark:text-white xl:text-justify leading-[24px] text-[16px] mb-10 xl:mb-[25px] header-description" >
The video shows how you connect to your friend via their 1-time QR-code, in person or via a video link.
You can also connect by sharing an invitation link.
< / p >
< / article >
< div class = "w-full container px-5 hidden md:flex items-center justify-center gap-[50px] py-[24px] xl:absolute bottom-0 z-10" >
< a href = "#why-simplex" class = "menu-link" > Why SimpleX< / a >
< a href = "#features" class = "menu-link" > Features< / a >
< a href = "#simplex-privacy" class = "menu-link" > SimpleX privacy< / a >
< a href = "#simplex-network" class = "menu-link" > SimpleX network< / a >
< / div >
< / div >
< / section >
< / div >
< div class = "hero-phone-background hidden md:flex md:static md:max-w-[490px] md:mb-6 xl:mb-0 xl:flex items-center justify-center h-fit xl:h-[calc(100vh-66px)] xl:max-h-[888px] xl:min-w-[600px] xl:sticky top-[66px]" >
< img id = "hero-phone-light" class = "only-light" / >
< img id = "hero-phone-dark" class = "only-dark" / >
< div id = "hero-phone-preload" style = "display: none" > < / div >
< video id = "hero-phone-video" class = "absolute hidden rounded-[12px] bg-black w-[238px] mr-[-4px] mt-[14px]" controls >
< source src = "/video/connect.mp4" type = "video/mp4" >
< / video >
< / div >
< / div >
< / div >
< script >
var navBar = document.querySelector("nav");
var landingPageHeader = document.querySelector('.landing-page-header');
//landingPageHeader.style.height = window.innerHeight - navBar.offsetHeight + 'px';
// event listener for changing height of section according to window height
//window.addEventListener('resize', function () {
// landingPageHeader.style.height = window.innerHeight - navBar.offsetHeight + 'px';
//});
< / script >
< section class = "bg-secondary-bg-light dark:bg-secondary-bg-dark py-[85px] px-5" >
< div class = "container" >
< p class = "text-grey-black dark:text-white text-[45px] text-center font-bold mb-[32px]" > Why privacy < span class = "gradient-text" > matters< / span > < / p >
< p class = "text-center text-[20px] font-medium mb-[86px] text-black dark:text-white" > Preserving the privacy of your metadata — < span class = "text-active-blue" > who you talk with< / span > — protects you from:< / p >
< div class = "grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-[20px] mb-[90px]" >
< div class = "bg-white dark:bg-transparent px-[34px] flex flex-col rounded-[12px] dark:rounded-[6px] shadow-[0px_50px_61px_rgba(0,0,0,0.12)] dark:shadow-none flex-[1] border-gradient" >
< div class = "flex items-center justify-center h-[215px]" >
< img src = "/img/new/privacy-section-1.svg" alt = "" >
< / div >
< div class = "h-[152px] flex flex-col items-center justify-between" >
< p class = "text-center font-medium leading-[28px] text-grey-black dark:text-white" > Advertising and price discrimination< / p >
< a href = "javascript:void(0);" data-show-overlay = "why-privacy-matters-1" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-2 mb-[53px]" > Privacy saves you money< / a >
< div id = "why-privacy-matters-1" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Privacy saves you money< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
Many large companies use information about who you are connected with to estimate your income,
sell you the products you don't really need, and to determine the prices.
< / p >
< p >
Online retailers know that people with lower incomes are more likely to make urgent purchases,
so they may charge higher prices or remove discounts.
< / p >
< p >
Some financial and insurance companies use social graphs
to determine interest rates and premiums.
It often makes people with lower incomes pay more —
it is known as < a href = "https://fairbydesign.com/povertypremium/" target = "_blank" > "poverty premium"< / a > .
< / p >
< p >
SimpleX platform protects the privacy of your connections better than any alternative,
fully preventing your social graph becoming available to any companies or organizations.
Even when people use servers provided by SimpleX Chat, we do not know the number of users or their connections.
< / p >
< / div >
< / div >
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< / div >
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< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
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< / svg >
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< / div >
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< / div >
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< / div >
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< / div >
< div class = "bg-white dark:bg-transparent px-[34px] flex flex-col rounded-[12px] dark:rounded-[6px] shadow-[0px_50px_61px_rgba(0,0,0,0.12)] dark:shadow-none flex-[1] border-gradient" >
< div class = "flex items-center justify-center h-[215px]" >
< img src = "/img/new/privacy-section-2.svg" alt = "" >
< / div >
< div class = "h-[152px] flex flex-col items-center justify-between" >
< p class = "text-center font-medium leading-[28px] text-grey-black dark:text-white" > Manipulation of elections< / p >
< a href = "javascript:void(0);" data-show-overlay = "why-privacy-matters-2" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-2 mb-[53px]" > Privacy gives you power< / a >
< div id = "why-privacy-matters-2" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Privacy gives you power< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
Not so long ago we observed the major elections being manipulated
by < a href = "https://en.wikipedia.org/wiki/Facebook– target = "_blank" > a reputable consulting company< / a >
that used our social graphs to distort our view of the real world and manipulate our votes.
< / p >
< p >
To be objective and to make independent decisions
you need to be in control of your information space.
It is only possible if you use private communication platform
that does not have access to your social graph.
< / p >
< p >
SimpleX is the first platform that doesn't have any user identifiers by design,
in this way protecting your connections graph better than any known alternative.
< / p >
< / div >
< / div >
< / div >
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< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
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< / svg >
< / div >
< / div >
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< / div >
< / div >
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< div class = "bg-white dark:bg-transparent px-[34px] flex flex-col rounded-[12px] dark:rounded-[6px] shadow-[0px_50px_61px_rgba(0,0,0,0.12)] dark:shadow-none flex-[1] border-gradient" >
< div class = "flex items-center justify-center h-[215px]" >
< img src = "/img/new/privacy-section-3.svg" alt = "" >
< / div >
< div class = "h-[152px] flex flex-col items-center justify-between" >
< p class = "text-center font-medium leading-[28px] text-grey-black dark:text-white" > Prosecution due to innocent association< / p >
< a href = "javascript:void(0);" data-show-overlay = "why-privacy-matters-3" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-2 mb-[53px]" > Privacy protects your freedom< / a >
< div id = "why-privacy-matters-3" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Privacy protects your freedom< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
Everyone should care about privacy and security of their communications —
harmless conversations can put you in danger, even if you have nothing to hide.
< / p >
< p >
One of the most shocking stories is the experience of
< a href = "https://en.wikipedia.org/wiki/Mohamedou_Ould_Slahi" target = "_blank" > Mohamedou Ould Salahi< / a >
described in his memoir and shown in The Mauritanian movie.
He was put into Guantanamo camp, without trial, and was tortured there for 15 years
after a phone call to his relative in Afghanistan, under suspicion of being involved
in 9/11 attacks, even though he lived in Germany for the previous 10 years.
< / p >
< p >
Ordinary people get arrested for what they share online, even via their "anonymous" accounts,
< a href = "https://www.dailymail.co.uk/news/article-11282263/Moment-police-swoop-house-devout-catholic-mother-malicious-online-posts.html" target = "_blank" > even in democratic countries< / a > .
< / p >
< p >
It is not enough to use an end-to-end encrypted messenger,
we all should use the messengers that protect the privacy of our personal networks — who we are connected with.
< / p >
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< / div >
< / div >
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< / div >
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< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
< path d = "M12.7973 11.5525L7.59762 6.49833L12.7947 1.44675C13.055 1.19371 13.0658 0.771991 12.8188 0.505331C12.5718 0.238674 12.1602 0.227644 11.8999 0.480681L6.65343 5.58028L1.09979 0.182228C0.839522 -0.070157 0.427909 -0.059127 0.18094 0.207531C-0.0660305 0.474191 -0.0552645 0.895911 0.205003 1.14894L5.70862 6.49833L0.20247 11.851C-0.0577975 12.104 -0.0685635 12.5257 0.178407 12.7924C0.306324 12.9306 0.477936 13 0.650181 13C0.811033 13 0.971873 12.9397 1.09726 12.817L6.65343 7.41639L11.9025 12.5186C12.0285 12.6406 12.1893 12.7015 12.3495 12.7015C12.5218 12.7015 12.6934 12.6321 12.8213 12.4939C13.0689 12.2273 13.0582 11.8062 12.7973 11.5525Z" / >
< / svg >
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< / div >
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< / div >
< / div >
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< / div >
< p class = "text-center w-full max-w-[900px] text-[20px] leading-[28px] m-auto text-black dark:text-white" > Make sure your messenger can't access your data!< / p >
< / div >
< / section >
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< section id = "why-simplex" class = "bg-primary-bg-light dark:bg-primary-bg-dark py-[90px] overflow-hidden px-0 sm:px-1" >
< div class = "container scale-100" >
< p class = "text-grey-black dark:text-white text-[35px] lg:text-[45px] text-center font-bold mb-[44px] px-5 sm:px-4" > Why SimpleX is < span class = "gradient-text" > unique< / span > < / p >
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< div class = "swiper unique-swiper px-5 sm:px-4 py-2" >
< div class = "swiper-wrapper mb-16" >
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< div class = "swiper-slide overflow-hidden flex items-center md:items-start flex-col xl:flex-row-reverse xl:items-center min-h-[620px] md:min-h-fit px-4 md:px-10 lg:px-[50px] py-8 lg:py-[50px] rounded-[12px] shadow-[0px_3px_12px_rgba(0,0,0,0.2)] dark:shadow-none border-gradient relative simplex-unique-card" >
< div class = "md:flex-1 flex items-center justify-center h-[55%] md:h-fit w-full card-image" >
< img class = "w-full max-w-[400px] dark:hidden" src = "/img/new/unique-section-1.png" alt = "" >
< img class = "w-full max-w-[400px] hidden dark:block" src = "/img/new/unique-section-1-dark.png" alt = "" >
< / div >
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< div class = "card-content absolute md:static px-4 md:px-0 bottom-[80px] right-1 left-1 h-[180px] md:h-fit pt-5 lg:pt-0 bg-primary-bg-light dark:bg-primary-bg-dark" >
< div class = "content-head" >
< p class = "text-[35px] lg:text-[65px] font-bold tracking-[0.06em] text-active-blue text-center md:text-left" > #1< / p >
< p class = "w-full max-w-[617px] text-[25px] leading-[33px] lg:text-[35px] lg:leading-[45px] text-center md:text-left font-bold text-grey-black dark:text-white" > You have complete privacy< / p >
< / div >
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< div class = "content-body py-5 md:py-7" >
< div class = "w-full max-w-[541px] text-[16px] leading-[24px] tracking-[0.02em] mb-[36px] text-grey-black dark:text-white text-center md:text-left" >
< p style = "padding-bottom:6px;" >
SimpleX protects the privacy of your profile, contacts and metadata,
hiding it from SimpleX platform servers and any observers.
< / p >
< p >
Unlike any other existing messaging platform,
SimpleX has no identifiers assigned to the users —
< strong > not even random numbers< / strong > .
< / p >
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< / div >
< a href = "javascript:void(0)" data-show-overlay = "why-simplex-is-unique-1" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-4 tracking-[0.02em] text-center md:text-left" > Learn more< / a >
< / div >
< / div >
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< div class = "hide-show-btn fixed bottom-0 pb-8 pt-2 h-[80px] left-1 right-1 md:hidden flex items-center justify-center bg-primary-bg-light dark:bg-primary-bg-dark scale-100 z-10" >
< a href = "javascript:void(0);" class = "flex items-center gap-2 open-card-btn" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > More info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "6" viewBox = "0 0 10 6" xmlns = "http://www.w3.org/2000/svg" >
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< / svg >
< / span >
< / a >
< a href = "javascript:void(0);" class = "items-center gap-2 close-card-btn hidden" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > Hide info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "5" viewBox = "0 0 10 5" fill = "none" xmlns = "http://www.w3.org/2000/svg" >
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< / svg >
< / span >
< / a >
< / div >
< / div >
< div class = "swiper-slide overflow-hidden flex items-center md:items-start flex-col xl:flex-row-reverse xl:items-center min-h-[620px] md:min-h-fit px-4 md:px-10 lg:px-[50px] py-8 lg:py-[50px] rounded-[12px] shadow-[0px_3px_12px_rgba(0,0,0,0.2)] dark:shadow-none border-gradient relative simplex-unique-card" >
< div class = "md:flex-1 flex items-center justify-center h-[55%] md:h-fit w-full card-image" >
< img class = "w-full max-w-[400px] dark:hidden" src = "/img/new/unique-section-2.png" alt = "" >
< img class = "w-full max-w-[400px] hidden dark:block" src = "/img/new/unique-section-2-dark.png" alt = "" >
< / div >
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< div class = "card-content absolute md:static px-4 md:px-0 bottom-[80px] right-1 left-1 h-[180px] md:h-fit pt-5 lg:pt-0 bg-primary-bg-light dark:bg-primary-bg-dark" >
< div class = "content-head" >
< p class = "text-[35px] lg:text-[65px] font-bold tracking-[0.06em] text-active-blue text-center md:text-left" > #2< / p >
< p class = "w-full max-w-[617px] text-[25px] leading-[33px] lg:text-[35px] lg:leading-[45px] text-center md:text-left font-bold text-grey-black dark:text-white" > You are protected< br > from spam and abuse< / p >
< / div >
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< div class = "content-body py-5 md:py-7" >
< div class = "w-full max-w-[541px] text-[16px] leading-[24px] tracking-[0.02em] mb-[36px] text-grey-black dark:text-white text-center md:text-left" >
< p >
Because you have no identifier or fixed address on the SimpleX platform,
nobody can contact you unless you share a one-time
or temporary user address, as a QR code or a link.
< / p >
2022-08-19 17:31:11 +00:00
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< / div >
< a href = "javascript:void(0)" data-show-overlay = "why-simplex-is-unique-2" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-4 tracking-[0.02em] text-center md:text-left" > Learn more< / a >
< / div >
< / div >
2022-08-19 17:31:11 +00:00
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< div class = "hide-show-btn fixed bottom-0 pb-8 pt-2 h-[80px] left-1 right-1 md:hidden flex items-center justify-center bg-primary-bg-light dark:bg-primary-bg-dark scale-100 z-10" >
< a href = "javascript:void(0);" class = "flex items-center gap-2 open-card-btn" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > More info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "6" viewBox = "0 0 10 6" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M1.50447 0.902966C1.21571 0.627397 0.747525 0.627397 0.458761 0.902966C0.169996 1.17853 0.169996 1.62532 0.458761 1.90089L4.21933 5.48961C4.25543 5.52406 4.29433 5.5542 4.33533 5.58003C4.62234 5.76088 5.01237 5.73074 5.26504 5.48961L9.02561 1.90089C9.31438 1.62532 9.31438 1.17853 9.02561 0.902966C8.73685 0.627397 8.26867 0.627397 7.97991 0.902966L4.74219 3.99273L1.50447 0.902966Z" / >
< / svg >
< / span >
< / a >
< a href = "javascript:void(0);" class = "items-center gap-2 close-card-btn hidden" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > Hide info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "5" viewBox = "0 0 10 5" fill = "none" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M8.40813 4.79332C8.69689 5.06889 9.16507 5.06889 9.45384 4.79332C9.7426 4.51775 9.7426 4.07097 9.45384 3.7954L5.69327 0.206676C5.65717 0.17223 5.61827 0.142089 5.57727 0.116255C5.29026 -0.064587 4.90023 -0.0344467 4.64756 0.206676L0.886983 3.7954C0.598219 4.07097 0.598219 4.51775 0.886983 4.79332C1.17575 5.06889 1.64393 5.06889 1.93269 4.79332L5.17041 1.70356L8.40813 4.79332Z" / >
< / svg >
< / span >
< / a >
< / div >
< / div >
< div class = "swiper-slide overflow-hidden flex items-center md:items-start flex-col xl:flex-row-reverse xl:items-center min-h-[620px] md:min-h-fit px-4 md:px-10 lg:px-[50px] py-8 lg:py-[50px] rounded-[12px] shadow-[0px_3px_12px_rgba(0,0,0,0.2)] dark:shadow-none border-gradient relative simplex-unique-card" >
< div class = "md:flex-1 flex items-center justify-center h-[55%] md:h-fit w-full card-image" >
< img class = "w-full max-w-[400px] dark:hidden" src = "/img/new/unique-section-3.png" alt = "" >
< img class = "w-full max-w-[400px] hidden dark:block" src = "/img/new/unique-section-3-dark.png" alt = "" >
< / div >
< div class = "card-content absolute md:static px-4 md:px-0 bottom-[80px] right-1 left-1 h-[180px] md:h-fit pt-5 lg:pt-0 bg-primary-bg-light dark:bg-primary-bg-dark" >
< div class = "content-head" >
< p class = "text-[35px] lg:text-[65px] font-bold tracking-[0.06em] text-active-blue text-center md:text-left" > #3< / p >
< p class = "w-full max-w-[617px] text-[25px] leading-[33px] lg:text-[35px] lg:leading-[45px] text-center md:text-left font-bold text-grey-black dark:text-white" > You control your data< / p >
< / div >
< div class = "content-body py-5 md:py-7" >
< div class = "w-full max-w-[541px] text-[16px] leading-[24px] tracking-[0.02em] mb-[36px] text-grey-black dark:text-white text-center md:text-left" >
< p style = "padding-bottom:5px;" >
SimpleX stores all user data on client devices in a < strong > portable encrypted database format< / strong > —
it can be transferred to another device.
< / p >
< p >
The end-to-end encrypted messages are held temporarily on SimpleX relay servers until received, then they are permanently deleted.
< / p >
< / div >
< a href = "javascript:void(0)" data-show-overlay = "why-simplex-is-unique-3" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-4 tracking-[0.02em] text-center md:text-left" > Learn more< / a >
< / div >
< / div >
< div class = "hide-show-btn fixed bottom-0 pb-8 pt-2 h-[80px] left-1 right-1 md:hidden flex items-center justify-center bg-primary-bg-light dark:bg-primary-bg-dark scale-100 z-10" >
< a href = "javascript:void(0);" class = "flex items-center gap-2 open-card-btn" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > More info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "6" viewBox = "0 0 10 6" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M1.50447 0.902966C1.21571 0.627397 0.747525 0.627397 0.458761 0.902966C0.169996 1.17853 0.169996 1.62532 0.458761 1.90089L4.21933 5.48961C4.25543 5.52406 4.29433 5.5542 4.33533 5.58003C4.62234 5.76088 5.01237 5.73074 5.26504 5.48961L9.02561 1.90089C9.31438 1.62532 9.31438 1.17853 9.02561 0.902966C8.73685 0.627397 8.26867 0.627397 7.97991 0.902966L4.74219 3.99273L1.50447 0.902966Z" / >
< / svg >
< / span >
< / a >
< a href = "javascript:void(0);" class = "items-center gap-2 close-card-btn hidden" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > Hide info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "5" viewBox = "0 0 10 5" fill = "none" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M8.40813 4.79332C8.69689 5.06889 9.16507 5.06889 9.45384 4.79332C9.7426 4.51775 9.7426 4.07097 9.45384 3.7954L5.69327 0.206676C5.65717 0.17223 5.61827 0.142089 5.57727 0.116255C5.29026 -0.064587 4.90023 -0.0344467 4.64756 0.206676L0.886983 3.7954C0.598219 4.07097 0.598219 4.51775 0.886983 4.79332C1.17575 5.06889 1.64393 5.06889 1.93269 4.79332L5.17041 1.70356L8.40813 4.79332Z" / >
< / svg >
< / span >
< / a >
< / div >
< / div >
< div class = "swiper-slide overflow-hidden flex items-center md:items-start flex-col xl:flex-row-reverse xl:items-center min-h-[620px] md:min-h-fit px-4 md:px-10 lg:px-[50px] py-8 lg:py-[50px] rounded-[12px] shadow-[0px_3px_12px_rgba(0,0,0,0.2)] dark:shadow-none border-gradient relative simplex-unique-card" >
< div class = "md:flex-1 flex items-center justify-center h-[55%] md:h-fit w-full card-image" >
< img class = "w-full max-w-[400px] dark:hidden" src = "/img/new/unique-section-4.png" alt = "" >
< img class = "w-full max-w-[400px] hidden dark:block" src = "/img/new/unique-section-4-dark.png" alt = "" >
< / div >
< div class = "card-content absolute md:static px-4 md:px-0 bottom-[80px] right-1 left-1 h-[180px] md:h-fit pt-5 lg:pt-0 bg-primary-bg-light dark:bg-primary-bg-dark" >
< div class = "content-head" >
< p class = "text-[35px] lg:text-[65px] font-bold tracking-[0.06em] text-active-blue text-center md:text-left" > #4< / p >
< p class = "w-full max-w-[617px] text-[25px] leading-[33px] lg:text-[35px] lg:leading-[45px] text-center md:text-left font-bold text-grey-black dark:text-white" > You own SimpleX network< / p >
< / div >
< div class = "content-body py-5 md:py-7" >
< div class = "w-full max-w-[541px] text-[16px] leading-[24px] tracking-[0.02em] mb-[36px] text-grey-black dark:text-white text-center md:text-left" >
< p style = "padding-bottom:6px;" >
The SimpleX network is fully decentralised and independent of any crypto-currency or any other platform, other than the Internet.
< / p >
< p >
You can < strong > use SimpleX with your own servers< / strong >
or with the servers provided by us — and still connect to any user.
< / p >
< / div >
< a href = "javascript:void(0)" data-show-overlay = "why-simplex-is-unique-4" class = "open-overlay-btn underline text-primary-light dark:text-primary-dark block text-[16px] underline-offset-4 tracking-[0.02em] text-center md:text-left" > Learn more< / a >
< / div >
< / div >
< div class = "hide-show-btn fixed bottom-0 pb-8 pt-2 h-[80px] left-1 right-1 md:hidden flex items-center justify-center bg-primary-bg-light dark:bg-primary-bg-dark scale-100 z-10" >
< a href = "javascript:void(0);" class = "flex items-center gap-2 open-card-btn" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > More info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "6" viewBox = "0 0 10 6" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M1.50447 0.902966C1.21571 0.627397 0.747525 0.627397 0.458761 0.902966C0.169996 1.17853 0.169996 1.62532 0.458761 1.90089L4.21933 5.48961C4.25543 5.52406 4.29433 5.5542 4.33533 5.58003C4.62234 5.76088 5.01237 5.73074 5.26504 5.48961L9.02561 1.90089C9.31438 1.62532 9.31438 1.17853 9.02561 0.902966C8.73685 0.627397 8.26867 0.627397 7.97991 0.902966L4.74219 3.99273L1.50447 0.902966Z" / >
< / svg >
< / span >
< / a >
< a href = "javascript:void(0);" class = "items-center gap-2 close-card-btn hidden" >
< span class = "underline text-[16px] tracking-[0.02em] underline-offset-4 text-primary-light dark:text-primary-dark" > Hide info< / span >
< span class = "flex items-center justify-center mt-1" >
< svg class = "fill-primary-light dark:fill-primary-dark" width = "10" height = "5" viewBox = "0 0 10 5" fill = "none" xmlns = "http://www.w3.org/2000/svg" >
< path fill-rule = "evenodd" clip-rule = "evenodd" d = "M8.40813 4.79332C8.69689 5.06889 9.16507 5.06889 9.45384 4.79332C9.7426 4.51775 9.7426 4.07097 9.45384 3.7954L5.69327 0.206676C5.65717 0.17223 5.61827 0.142089 5.57727 0.116255C5.29026 -0.064587 4.90023 -0.0344467 4.64756 0.206676L0.886983 3.7954C0.598219 4.07097 0.598219 4.51775 0.886983 4.79332C1.17575 5.06889 1.64393 5.06889 1.93269 4.79332L5.17041 1.70356L8.40813 4.79332Z" / >
< / svg >
< / span >
< / a >
< / div >
< / div >
< / div >
< img class = "fixed left-[-3px] top-[52%] swiper-button-prev unique-swiper-button-prev hidden md:inline-block dark:hidden" src = "/img/new/arrow-left.svg" alt = "" >
< img class = "fixed right-[-6px] top-[52%] swiper-button-next unique-swiper-button-next hidden md:inline-block dark:hidden" src = "/img/new/arrow-right.svg" alt = "" >
< img class = "fixed left-[-3px] top-[52%] swiper-button-prev unique-swiper-button-prev hidden dark:md:inline-block" src = "/img/new/arrow-left-dark.svg" alt = "" >
< img class = "fixed right-[-6px] top-[52%] swiper-button-next unique-swiper-button-next hidden dark:md:inline-block" src = "/img/new/arrow-right-dark.svg" alt = "" >
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< div class = "swiper-pagination simplex-unique-swiper-pagination mt-100" > < / div >
< / div >
< / div >
< / section >
< div id = "why-simplex-is-unique-1" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Full privacy of your identity, profile, contacts and metadata< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
Unlike other messaging platforms, SimpleX has < strong > no identifiers assigned to the users< / strong > .
It does not rely on phone numbers, domain-based addresses (like email or XMPP),
usernames, public keys or even random numbers to identify its users —
we don' t know how many people use our SimpleX servers.
< / p >
< p >
To deliver messages SimpleX uses
< a href = "https://csrc.nist.gov/glossary/term/Pairwise_Pseudonymous_Identifier" > pairwise anonymous addresses< / a >
of unidirectional message queues, separate for received and sent messages,
usually via different servers.
Using SimpleX is like having < strong > a different “ burner” email or phone
for each contact< / strong > , and no hassle to manage them.
< / p >
< p >
This design protects the privacy of who you are communicating with,
hiding it from SimpleX platform servers and from any observers.
To hide your IP address from the servers, you can < strong > connect to SimpleX servers via Tor< / strong > .
< / p >
< / div >
< / div >
2022-08-28 15:16:38 +00:00
2022-11-08 11:04:39 +00:00
< div class = "max-w-[448px]" >
< div class = "flex items-center justify-center" >
< img class = "w-full max-w-[448px] min-w-[300px] dark:hidden" src = "/img/new/unique-section-1.png" alt = "" >
< img class = "w-full max-w-[448px] min-w-[300px] hidden dark:block" src = "/img/new/unique-section-1-dark.png" alt = "" >
< / div >
< / div >
< / div >
< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
< path d = "M12.7973 11.5525L7.59762 6.49833L12.7947 1.44675C13.055 1.19371 13.0658 0.771991 12.8188 0.505331C12.5718 0.238674 12.1602 0.227644 11.8999 0.480681L6.65343 5.58028L1.09979 0.182228C0.839522 -0.070157 0.427909 -0.059127 0.18094 0.207531C-0.0660305 0.474191 -0.0552645 0.895911 0.205003 1.14894L5.70862 6.49833L0.20247 11.851C-0.0577975 12.104 -0.0685635 12.5257 0.178407 12.7924C0.306324 12.9306 0.477936 13 0.650181 13C0.811033 13 0.971873 12.9397 1.09726 12.817L6.65343 7.41639L11.9025 12.5186C12.0285 12.6406 12.1893 12.7015 12.3495 12.7015C12.5218 12.7015 12.6934 12.6321 12.8213 12.4939C13.0689 12.2273 13.0582 11.8062 12.7973 11.5525Z" / >
< / svg >
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< / div >
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< / div >
< div id = "why-simplex-is-unique-2" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > The best protection from spam and abuse< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
Because you have no identifier on the SimpleX platform,
nobody can contact you unless you share a one-time
or temporary user address, as a QR code or a link.
< / p >
< p >
Even with the optional user address, while it can be used to send spam contact requests,
you can change or completely delete it without losing any of your connections.
< / p >
< / div >
< / div >
< div class = "max-w-[448px]" >
< div class = "flex items-center justify-center" >
< img class = "w-full max-w-[448px] min-w-[300px] dark:hidden" src = "/img/new/unique-section-2.png" alt = "" >
< img class = "w-full max-w-[448px] min-w-[300px] hidden dark:block" src = "/img/new/unique-section-2-dark.png" alt = "" >
< / div >
< / div >
< / div >
< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
< path d = "M12.7973 11.5525L7.59762 6.49833L12.7947 1.44675C13.055 1.19371 13.0658 0.771991 12.8188 0.505331C12.5718 0.238674 12.1602 0.227644 11.8999 0.480681L6.65343 5.58028L1.09979 0.182228C0.839522 -0.070157 0.427909 -0.059127 0.18094 0.207531C-0.0660305 0.474191 -0.0552645 0.895911 0.205003 1.14894L5.70862 6.49833L0.20247 11.851C-0.0577975 12.104 -0.0685635 12.5257 0.178407 12.7924C0.306324 12.9306 0.477936 13 0.650181 13C0.811033 13 0.971873 12.9397 1.09726 12.817L6.65343 7.41639L11.9025 12.5186C12.0285 12.6406 12.1893 12.7015 12.3495 12.7015C12.5218 12.7015 12.6934 12.6321 12.8213 12.4939C13.0689 12.2273 13.0582 11.8062 12.7973 11.5525Z" / >
< / svg >
< / div >
< / div >
< div id = "why-simplex-is-unique-3" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Ownership, control and security of your data< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
SimpleX Chat stores all user data only on client devices
using a < strong > portable encrypted database format< / strong >
that can be exported and transferred to any supported device.
< / p >
< p >
The end-to-end encrypted messages are held temporarily
on SimpleX relay servers until received,
then they are permanently deleted.
< / p >
< p >
Unlike federated networks servers (email, XMPP or Matrix),
SimpleX servers don' t store user accounts,
they only relay messages, protecting the privacy of both parties.
< / p >
< p >
There are no identifiers or ciphertext in common
between sent and received server traffic —
if anybody is observing it, they cannot easily determine
who communicates with whom, even if TLS is compromised.
< / p >
< / div >
< / div >
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< div id = "why-simplex-is-unique-4" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
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< h1 class = "text-3xl font-bold text-active-blue mb-6" > Fully decentralised — users own the SimpleX network< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
You can < strong > use SimpleX with your own servers< / strong >
and still communicate with people who use
the pre-configured servers provided by us.
< / p >
< p >
SimpleX platform uses an < a href = "https://github.com/simplex-chat/simplexmq/blob/stable/protocol/overview-tjr.md" target = "_blank" > open protocol< / a >
and provides < a href = "https://github.com/simplex-chat/simplex-chat/tree/stable/packages/simplex-chat-client/typescript" target = "_blank" > SDK to create chat bots< / a > ,
allowing implementation of services that users can interact with
via SimpleX Chat apps — we' re really looking forward to see
what SimpleX services you can build.
< / p >
< p >
If you are considering developing for the SimpleX platform,
for example, the chat bot for SimpleX app users, or
the integration of the SimpleX Chat library into your mobile apps,
please < a href = "https://simplex.chat/contact#/?v=1&smp=smp%3A%2F%2FPQUV2eL0t7OStZOoAsPEV2QYWt4-xilbakvGUGOItUo%3D%40smp6.simplex.im%2FK1rslx-m5bpXVIdMZg9NLUZ_8JBm8xTt%23MCowBQYDK2VuAyEALDeVe-sG8mRY22LsXlPgiwTNs9dbiLrNuA7f3ZMAJ2w%3D" target = "_blank" > get in touch< / a >
for any advice and support.
< / p >
< / div >
< / div >
< div class = "max-w-[448px]" >
< div class = "flex items-center justify-center" >
< img class = "w-full max-w-[448px] min-w-[300px] dark:hidden" src = "/img/new/unique-section-4.png" alt = "" >
< img class = "w-full max-w-[448px] min-w-[300px] hidden dark:block" src = "/img/new/unique-section-4-dark.png" alt = "" >
< / div >
< / div >
< / div >
< svg class = "fill-grey-black dark:fill-white fixed right-5 top-5 cursor-pointer close-overlay-btn" id = "cross" width = "16" height = "16" viewBox = "0 0 13 13" xmlns = "http://www.w3.org/2000/svg" >
< path d = "M12.7973 11.5525L7.59762 6.49833L12.7947 1.44675C13.055 1.19371 13.0658 0.771991 12.8188 0.505331C12.5718 0.238674 12.1602 0.227644 11.8999 0.480681L6.65343 5.58028L1.09979 0.182228C0.839522 -0.070157 0.427909 -0.059127 0.18094 0.207531C-0.0660305 0.474191 -0.0552645 0.895911 0.205003 1.14894L5.70862 6.49833L0.20247 11.851C-0.0577975 12.104 -0.0685635 12.5257 0.178407 12.7924C0.306324 12.9306 0.477936 13 0.650181 13C0.811033 13 0.971873 12.9397 1.09726 12.817L6.65343 7.41639L11.9025 12.5186C12.0285 12.6406 12.1893 12.7015 12.3495 12.7015C12.5218 12.7015 12.6934 12.6321 12.8213 12.4939C13.0689 12.2273 13.0582 11.8062 12.7973 11.5525Z" / >
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< section id = "features" class = "bg-secondary-bg-light dark:bg-secondary-bg-dark py-[60px] px-5" >
< div class = "container flex flex-col items-center gap-[50px]" >
< p class = "text-[45px] text-center font-bold gradient-text" > Features< / p >
< div class = "mb-[50px] grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-x-10 gap-y-20" >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-1.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-1-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > E2E-encrypted messages with markdown and editing< / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-2.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-2-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > E2E-encrypted< br > images and files< / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-3.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-3-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > Decentralized secret groups — < br > only users know they exist< / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-4.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-4-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > E2E-encrypted voice messages < em > (coming soon)< / em > < / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-5.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-5-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > Disappearing secret conversations < em > (coming soon)< / em > < / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-6.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-6-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > E2E-encrypted< br > audio and video calls< / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-7.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-7-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > Portable encrypted database — move your profile to another device< / p >
< / div >
< div class = "flex flex-col items-center" >
< div class = "bg-white flex items-center justify-center w-[175px] h-[110px] rounded-[20px] border-[#859096] border-solid border-[1px] shadow-[2px_2px_0px_#859096] dark:border-none dark:shadow-none mb-[20px] border-gradient" >
< img src = "/img/new/feature-8.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/feature-8-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< p class = "text-grey-black dark:text-white text-[16px] font-medium text-center w-full max-w-[265px]" > Incognito mode — < br > unique to SimpleX Chat< / p >
< / div >
2022-08-08 12:36:53 +00:00
< / div >
2022-11-08 11:04:39 +00:00
< / div >
< / section >
< section id = "simplex-privacy" class = "bg-primary-bg-light dark:bg-primary-bg-dark py-[85px] overflow-hidden px-5" >
< div class = "container scale-100" >
< p class = "text-grey-black dark:text-white text-[45px] text-center font-bold mb-[60px]" > What makes SimpleX < span class = "gradient-text" > private< / span > < / p >
< div class = "swiper private-swiper overflow-hidden px-4 py-2" >
< div class = "swiper-wrapper mb-14" >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-10.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-10-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Temporary anonymous pairwise identifiers< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > SimpleX uses temporary anonymous pairwise addresses and credentials for each user contact or group member.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > It allows to deliver messages without user profile identifiers, providing better meta-data privacy than alternatives.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-6.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-6-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Out-of-band< br > key exchange< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Many communication platforms are vulnerable to MITM attacks by servers or network providers.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > To prevent it SimpleX apps pass one-time keys out-of-band, when you share an address as a link or a QR code.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-1.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-1-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > 2-layers of< br > end-to-end encryption< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Double-ratchet protocol — < br > OTR messaging with perfect forward secrecy and break-in recovery.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-7.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-7-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Message integrity< br > verification< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > To guarantee integrity the messages are sequentially numbered and include the hash of the previous message.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > If any message is added, removed or changed the recipient will be alerted.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-2.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-2-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Additional layer of< br > server encryption< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Additional layer of server encryption for delivery to the recipient, to prevent the correlation between received and sent server traffic if TLS is compromised.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-8.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-8-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Message mixing< br > to reduce correlation< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > SimpleX servers act as low latency mix nodes — the incoming and outgoing messages have different order.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-3.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-3-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Secure authenticated< br > TLS transport< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Only TLS 1.2/1.3 with strong algorithms is used for client-server connections.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Server fingerprint and channel binding prevent MITM and replay attacks.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Connection resumption is disabled to prevent session attacks.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-4.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-4-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Optional< br > access via Tor< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > To protect your IP address you can access the servers via Tor or some other transport overlay network.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > To use SimpleX via Tor please install < a href = "https://guardianproject.info/apps/org.torproject.android/" target = "_blank" > Orbot app< / a > and enable SOCKS5 proxy (or VPN < a href = "https://apps.apple.com/us/app/orbot/id1609461599?platform=iphone" target = "_blank" > on iOS< / a > ).< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-9.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-9-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Unidirectional< br > message queues< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > Each message queue passes messages in one direction, with the different send and receive addresses.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > It reduces the attack vectors, compared with traditional message brokers, and available meta-data.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< div class = "card swiper-slide relative h-[470px] rounded-[20px] bg-card-bg-light dark:bg-card-bg-dark border-[#859096] border-solid border-[1px] dark:border-none shadow-[2px_2px_0px_#859096] dark:shadow-none overflow-hidden" >
< div class = "flex items-center justify-center py-12 px-6 h-[322px]" >
< img class = "w-full max-w-[223px] h-full max-h-[226px] dark:hidden" src = "/img/new/private-5.svg" alt = "" / >
< img class = "w-full max-w-[223px] h-full max-h-[226px] hidden dark:block" src = "/img/new/private-5-dark.svg" alt = "" / >
< / div >
< div class = "flex flex-col items-center justify-between h-[138px] absolute bottom-0 py-6 px-6 bg-card-desc-bg-light dark:bg-card-desc-bg-dark rounded-b-[20px]" >
< p class = "text-grey-black dark:text-white text-[18px] my-4 font-bold leading-[26px] tracking-[0.01em] text-center" > Multiple layers of< br > content padding< / p >
< div class = "flex-1 py-3 flex flex-col gap-3" >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > SimpleX uses content padding for each encryption layer to frustrate message size attacks.< / p >
< p class = "text-grey-black dark:text-white text-[14px] text-center" > It makes messages of different sizes look the same to the servers and network observers.< / p >
< / div >
< p class = "text-grey-black dark:text-white text-[12px] text-center" > Tap to close< / p >
< / div >
< / div >
< / div >
< img class = "fixed left-[-3px] top-[55%] swiper-button-prev private-swiper-button-prev hidden md:inline-block dark:hidden" src = "/img/new/arrow-left.svg" alt = "" >
< img class = "fixed right-[-6px] top-[55%] swiper-button-next private-swiper-button-next hidden md:inline-block dark:hidden" src = "/img/new/arrow-right.svg" alt = "" >
< img class = "fixed left-[-3px] top-[55%] swiper-button-prev private-swiper-button-prev hidden dark:md:inline-block" src = "/img/new/arrow-left-dark.svg" alt = "" >
< img class = "fixed right-[-6px] top-[55%] swiper-button-next private-swiper-button-next hidden dark:md:inline-block" src = "/img/new/arrow-right-dark.svg" alt = "" >
< div class = "swiper-scrollbar dark:bg-grey-black dark:bg-opacity-[0.2]" > < / div >
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< / div >
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< / div >
< / section >
< section id = "simplex-network" class = "bg-secondary-bg-light dark:bg-secondary-bg-dark py-[85px] px-5" >
< div class = "container" >
< p class = "text-grey-black dark:text-white text-[45px] text-center font-bold mb-[21px]" > SimpleX < span class = "gradient-text" > Network< / span > < / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mb-[95px]" > Simplex Chat provides the best privacy by combining the advantages of P2P and federated networks.< / p >
< div class = "flex flex-col lg:flex-row justify-between gap-16" >
< div class = "flex flex-col items-center" >
< div class = "mb-[30px]" >
< img src = "/img/new/network-1.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/network-1-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< div class = "flex flex-col items-center justify-center" >
< p class = "text-active-blue text-[20px] font-bold text-center" > Unlike P2P networks< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mb-[32px]" >
All messages are sent via the servers, both providing better
metadata privacy and reliable asynchronous message delivery,
while avoiding many < a href = "javascript:void(0)" data-show-overlay = "simplex-network-overlay-1" class = "open-overlay-btn" > problems of P2P networks< / a > .
< div id = "simplex-network-overlay-1" class = "overlay hidden fixed top-0 left-0 bottom-0 right-0 before:absolute before:w-full before:h-full bg-transparent before:bg-secondary-bg-light dark:before:bg-primary-bg-dark before:opacity-90 items-center justify-center p-3 md:p-10 z-[10000]" >
< div class = "overlay-card w-full md:w-fit md:max-w-[1276px] bg-white dark:bg-card-bg-dark opacity-100 h-full md:h-fit md:max-h-[660px] z-[10001] rounded-md shadow-[0px_3px_12px_rgba(0,0,0,0.2)] p-6 py-10 sm:p-14 overflow-auto scale-100" >
< h1 class = "text-3xl font-bold text-active-blue mb-6" > Comparison with P2P messaging protocols< / h1 >
< div class = "flex flex-col-reverse lg:flex-row gap-10 justify-between" >
< div class = "lg:max-w-[448px]" >
< div class = "text-grey-black dark:text-white flex flex-col gap-6 text-base" >
< p >
< a href = "https://en.wikipedia.org/wiki/Peer-to-peer" > P2P< / a >
messaging protocols and apps have various problems that make
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them less reliable than SimpleX, more complex to analyse,
and vulnerable to several types of attack.
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< / p >
< ol style = "list-style: auto; padding-left: 1em;" >
< li >
P2P networks rely on some variant of
< a href = "https://en.wikipedia.org/wiki/Distributed_hash_table" > DHT< / a >
to route messages. DHT designs have to balance delivery guarantee and latency.
SimpleX has both better delivery guarantee and lower latency than P2P, because
the message can be redundantly passed via several servers in parallel,
using the servers chosen by the recipient.
In P2P networks the message is passed through < em > O(log N)< / em > nodes
sequentially, using nodes chosen by the algorithm.
< / li >
< li >
SimpleX design, unlike most P2P networks, has no global user identifiers
of any kind, even temporary, and only uses temporary pairwise identifiers,
providing better anonymity and metadata protection.
< / li >
< li >
P2P does not solve
< a href = "https://en.wikipedia.org/wiki/Man-in-the-middle_attack" > MITM attack< / a >
problem, and most existing implementations do not use out-of-band messages
for the initial key exchange. SimpleX uses out-of-band messages or, in some
cases, pre-existing secure and trusted connections for the initial key exchange.
< / li >
< li >
P2P implementations can be blocked by some Internet providers (like
< a href = "https://en.wikipedia.org/wiki/BitTorrent" > BitTorrent< / a > ).
SimpleX is transport agnostic - it can work over standard web protocols, e.g. WebSockets.
< / li >
< li >
All known P2P networks may be vulnerable to
< a href = "https://en.wikipedia.org/wiki/Sybil_attack" > Sybil attack< / a > ,
because each node is discoverable, and the network operates as a whole.
Known measures to mitigate it require either a centralized component or expensive
< a href = "https://en.wikipedia.org/wiki/Proof_of_work" > proof of work< / a > .
SimpleX network has no server discoverability, it is fragmented and operates
as multiple isolated sub-networks,
making network-wide attacks impossible.
< / li >
< li >
P2P networks may be vulnerable to
< a href = "https://www.usenix.org/conference/woot15/workshop-program/presentation/p2p-file-sharing-hell-exploiting-bittorrent" > DRDoS attack< / a > ,
when the clients can rebroadcast and amplify traffic, resulting in network-wide
denial of service.
SimpleX clients only relay traffic from known connection
and cannot be used by an attacker to amplify the traffic in the whole network.
< / li >
< / ol >
< / div >
< / div >
< div class = "max-w-[448px]" >
< div class = "flex items-center justify-center" >
< img class = "w-full max-w-[448px] min-w-[300px] dark:hidden" src = "/img/new/network-1.svg" alt = "" >
< img class = "w-full max-w-[448px] min-w-[300px] hidden dark:block" src = "/img/new/network-1-dark.svg" alt = "" >
< / div >
< / div >
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< / div >
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< / div >
< / p >
< / div >
< / div >
< div class = "flex flex-col items-center " >
< div class = "mb-[30px]" >
< img src = "/img/new/network-2.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/network-2-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< div class = "flex flex-col items-center justify-center" >
< p class = "text-active-blue text-[20px] font-bold text-center" > Unlike federated networks< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mb-[32px]" >
SimpleX relay servers do NOT store user profiles, contacts and delivered messages,
do NOT connect to each other, and there is NO servers directory.
< / p >
< / div >
< / div >
< div class = "flex flex-col items-center " >
< div class = "mb-[30px]" >
< img src = "/img/new/network-3.svg" alt = "" class = "dark:hidden" / >
< img src = "/img/new/network-3-dark.svg" alt = "" class = "hidden dark:block" / >
< / div >
< div class = "flex flex-col items-center justify-center" >
< p class = "text-active-blue text-[20px] font-bold text-center" > SimpleX network< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center" >
servers provide < span class = "text-active-blue" > unidirectional queues< / span >
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to connect the users, but they have no visibility of the network connection graph — only the users do.
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< / p >
< / div >
< / div >
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< / div >
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< / div >
< / section >
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< section id = "simplex-explained" class = "bg-primary-bg-light dark:bg-primary-bg-dark py-[80px] px-5" >
< div class = "container" >
< p class = "text-[35px] lg:text-[45px] text-center font-bold text-grey-black dark:text-white mb-[40px]" > Simplex explained< / p >
<!-- Tab links -->
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< div data-btn-index = "0" class = "flex-1 tab-button tab-1 p-2 text-[20px] text-center font-bold cursor-pointer active" > 1. What users experience< / div >
< div data-btn-index = "1" class = "flex-1 tab-button tab-2 p-2 text-[20px] text-center font-bold cursor-pointer" > 2. How does it work< / div >
< div data-btn-index = "2" class = "flex-1 tab-button tab-3 p-2 text-[20px] text-center font-bold cursor-pointer" > 3. What servers see< / div >
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< / div >
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<!-- Tab content -->
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< div class = "tab-button p-2 text-[20px] text-center font-bold active md:hidden" > 1. What users experience< / div >
< div class = "flex flex-col justify-center items-center" >
< img class = "h-[340px] my-16" src = "/img/new/explained-1.svg" alt = "" / >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mt-[30px]" >
You can create contacts and groups, and have two-way conversations, as in any other messenger.
< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center" >
How can it work with unidirectional queues and without user profile identifiers?
< / p >
< / div >
< / div >
< div class = "swiper-slide h-[inherit]" >
< div class = "tab-button p-2 text-[20px] text-center font-bold active md:hidden" > 2. How does it work< / div >
< div class = "flex flex-col justify-center items-center" >
< img class = "h-[340px] my-16" src = "/img/new/explained-2.svg" alt = "" / >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mt-[30px]" >
For each connection you use two separate messaging queues to send and receive messages via different servers.
< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center" >
Servers only pass messages one way, without having the full picture of user's conversation or connections.
< / p >
< / div >
< / div >
< div class = "swiper-slide h-[inherit]" >
< div class = "tab-button p-2 text-[20px] text-center font-bold active md:hidden" > 3. What servers see< / div >
< div class = "flex flex-col justify-center items-center" >
< img class = "h-[340px] my-16" src = "/img/new/explained-3.svg" alt = "" / >
< p class = "text-black dark:text-white text-[16px] font-normal text-center mt-[30px]" >
The servers have separate anonymous credentials for each queue, and do not know which users they belong to.
< / p >
< p class = "text-black dark:text-white text-[16px] font-normal text-center" >
Users can further improve metadata privacy by using Tor to access servers, preventing corellation by IP address.
< / p >
< / div >
< / div >
< / div >
< div class = "swiper-pagination simplex-explained-swiper-pagination mt-100 md:hidden" > < / div >
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< / div >
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< / div >
< / section >
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< section id = "comparison" class = "bg-secondary-bg-light dark:bg-secondary-bg-dark py-[85px] px-5" >
< div class = "text-grey-black dark:text-white container flex flex-col" >
< p class = "text-[35px] lg:text-[45px] text-center font-bold mb-10 lg:mb-20" > Comparison with other protocols< / p >
< div class = "w-full overflow-auto" >
< table class = "w-full border-separate border-spacing-x-5 border-spacing-y-2" >
< thead >
< tr >
< th > < / th >
< th class = "flex items-center justify-center" >
< img class = "h-6 dark:hidden" alt = "simplex logo" src = "/img/new/logo-light.png" / >
< img class = "h-6 hidden dark:block" alt = "simplex logo" src = "/img/new/logo-dark.png" / >
< / th >
< th > Signal, big platforms< / th >
< th > XMPP, Matrix< / th >
< th > P2P protocols< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "min-w-[210px]" > Requires global identity< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - private< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 1< / sup > < / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 2< / sup > < / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 3< / sup > < / td >
< / tr >
< tr >
< td class = "min-w-[210px]" > Possibility of MITM< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - secure< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 4< / sup > < / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< / tr >
< tr >
< td class = "min-w-[210px]" > Dependence on DNS< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - resilient< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No< / td >
< / tr >
< tr >
< td class = "min-w-[210px]" > Single or centralized network< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - decentralized< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - federated < sup > 5< / sup > < / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 6< / sup > < / td >
< / tr >
< tr >
< td class = "min-w-[210px]" > Central component or other network-wide attack< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#48F6C2] text-grey-black rounded-[4px]" > No - resilient< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes< / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 2< / sup > < / td >
< td class = "text-center font-medium min-w-[152px] h-[40px] bg-[#fff] dark:bg-[#171F3A] text-[#DD0000] rounded-[4px]" > Yes < sup > 7< / sup > < / td >
< / tr >
< / tbody >
< / table >
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< / div >
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< hr class = "block my-12 mx-5 dark:opacity-[0.2]" >
< div >
< div class = "px-5" >
< ol class = "text-base leading-6 list-decimal list-inside" >
< li > Usually based on a phone number, in some cases on usernames< / li >
< li > DNS-based addresses< / li >
< li > Public key or some other globally unique ID< / li >
< li > If operator’ < / li >
< li > Does not protect users' metadata< / li >
< li > While P2P are distributed, they are not federated - they operate as a single network< / li >
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< li > P2P networks either have a central authority or the whole network can be compromised - < a class = "underline text-primary-light dark:text-primary-dark underline-offset-2" href = "https://github.com/simplex-chat/simplex-chat/blob/stable/docs/SIMPLEX.md#comparison-with-p2p-messaging-protocols" > see here< / a > < / li >
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