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224 lines
15 KiB
HTML
224 lines
15 KiB
HTML
<!DOCTYPE html>
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<html class="">
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<head>
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<meta charset="utf-8">
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<title>$300,000 for Cracking Telegram Encryption</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta property="og:title" content="$300,000 for Cracking Telegram Encryption">
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<meta property="og:image" content="https://telegram.org/file/811140704/1/2Er4fG4UQLI/7ee52af54b98564554">
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<meta property="og:site_name" content="Telegram">
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<meta property="og:description" content="$300,000 for cracking #Telegram encryption">
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<meta name="twitter:card" content="summary_large_image" /><meta name="twitter:image" content="https://telegram.org/file/811140704/1/2Er4fG4UQLI/7ee52af54b98564554" />
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<meta property="fb:app_id" content="254098051407226">
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<meta property="vk:app_id" content="3782569">
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<meta name="apple-itunes-app" content="app-id=686449807">
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<meta name="telegram:channel" content="@telegram">
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<link rel="canonical" href="https://telegram.org/blog/cryptocontest" />
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<link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
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<link rel="alternate icon" href="/favicon.ico?4" type="image/x-icon" />
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<link href="/css/bootstrap.min.css?3" rel="stylesheet">
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<link href="/css/telegram.css?224" rel="stylesheet" media="screen">
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<style>
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</style>
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</head>
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<body class="preload">
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<div id="fb-root"></div>
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<div class="tl_page_wrap">
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<div class="tl_page_head navbar navbar-static-top navbar navbar-tg">
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<div class="navbar-inner">
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<div class="container clearfix">
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<ul class="nav navbar-nav navbar-right"><li class="dropdown top_lang_select"><a class="dropdown-toggle" onclick="return dropdownClick(this, event)" href="#"><i class="dev_top_lang_icon"></i> <b class="minicaret"></b></a>
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<ul class="dropdown-menu"><li class=""><a href="?setln=en">English</a></li><li class="long "><a href="?setln=id">Bahasa Indonesia</a></li><li class="long "><a href="?setln=ms">Bahasa Melayu</a></li><li class=""><a href="?setln=de">Deutsch</a></li><li class=""><a href="?setln=es">Español</a></li><li class=""><a href="?setln=fr">Français</a></li><li class=""><a href="?setln=it">Italiano</a></li><li class=""><a href="?setln=nl">Nederlands</a></li><li class=""><a href="?setln=uz">O‘zbek</a></li><li class=""><a href="?setln=pl">Polski</a></li><li class="long "><a href="?setln=pt-br">Português (Brasil)</a></li><li class=""><a href="?setln=tr">Türkçe</a></li><li class=""><a href="?setln=be">Беларуская</a></li><li class=""><a href="?setln=ru">Русский</a></li><li class=""><a href="?setln=uk">Українська</a></li><li class=""><a href="?setln=ar">العربية</a></li><li class=""><a href="?setln=fa">فارسی</a></li><li class=""><a href="?setln=ko">한국어</a></li></ul></li><li class="navbar-twitter hidden-xs"><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)"><i class="icon icon-twitter"></i> Twitter</a></li></ul>
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<ul class="nav navbar-nav">
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<li class=""><a href="/">Home</a></li>
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<li class=""><a href="/faq">FAQ</a></li>
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<li class=""><a href="/apps">Apps</a></li>
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<li class="hidden-xs "><a href="//core.telegram.org/api">API</a></li>
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<li class="hidden-xs "><a href="//core.telegram.org/mtproto">Protocol</a></li>
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</ul>
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</div>
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</div>
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</div>
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<div class="container clearfix tl_page_container ">
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<div class="tl_page">
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<div class="tl_contest_page_wrap">
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<div class="tl_blog_side_blog"><div class="side_blog_wrap">
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<div class="side_blog">
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<a href="/blog" class="side_blog_header">Recent News</a>
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<div class="side_blog_entries">
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<a href="/blog/downloads-attachments-streaming" class="side_blog_entry">
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<div class="side_blog_date">Mar 11</div>
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<div class="side_blog_title">Download Manager, New Attachment Menu, Live Streaming With Other Apps and More</div>
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</a><a href="/blog/video-stickers-better-reactions" class="side_blog_entry">
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<div class="side_blog_date">Jan 31</div>
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<div class="side_blog_title">Video Stickers, Better Reactions and More</div>
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</a><a href="/blog/reactions-spoilers-translations" class="side_blog_entry">
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<div class="side_blog_date">Dec 30</div>
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<div class="side_blog_title">Reactions, Spoilers, Translation and QR Codes</div>
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</a><a href="/blog/protected-content-delete-by-date-and-more" class="side_blog_entry">
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<div class="side_blog_date">Dec 7</div>
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<div class="side_blog_title">Protected Content, Delete by Date, Device Management and More</div>
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</a><a href="/blog/shared-media-scrolling-calendar-join-requests-and-more" class="side_blog_entry">
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<div class="side_blog_date">Nov 3</div>
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<div class="side_blog_title">Hyper-Speed Scrolling and Calendar View for Shared Media, Join Requests and More</div>
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</a><a href="/blog/chat-themes-interactive-emoji-read-receipts" class="side_blog_entry">
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<div class="side_blog_date">Sep 19</div>
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<div class="side_blog_title">Chat Themes, Interactive Emoji, Read Receipts in Groups</div>
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</a><a href="/blog/live-streams-forwarding-next-channel" class="side_blog_entry">
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<div class="side_blog_date">Aug 31</div>
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<div class="side_blog_title">Live Streams, Flexible Forwarding and More</div>
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</a>
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</div>
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</div>
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</div></div>
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<div id="dev_page_content_wrap" class=" ">
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<div class="dev_page_bread_crumbs"></div>
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<h1 id="dev_page_title">$300,000 for Cracking Telegram Encryption</h1>
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<div id="dev_page_content"><div class="blog_side_image_wrap">
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<img src="/file/811140704/1/2Er4fG4UQLI/7ee52af54b98564554" class="blog_side_image"/>
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</div>
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<blockquote>
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<p>This contest is <a href="https://telegram.org/blog/cryptocontest-ends">over</a>, but Telegram's <strong>bug bounty program</strong> is always open.</p>
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<p><strong>Security researchers</strong> are welcome to submit any issues they find in the Telegram <strong>apps</strong> or <strong>protocol</strong> to us at <strong>security@telegram.org</strong>. All submissions which result in a change of code or configuration are eligible for bounties, ranging from <strong>$500</strong> to <a href="https://telegram.org/blog/crowdsourcing-a-more-secure-future"><strong>$100,000</strong></a> or more, depending on the severity of the issue.</p>
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</blockquote>
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<p>Earlier this year we had a <a href="/blog/winter-contest-ends">contest</a> to decipher intercepted Telegram messages, that did not produce a winner. Today we announce a new contest with an easier task and a larger prize — <strong>$300,000</strong> for cracking <a href="https://core.telegram.org/api/end-to-end">Telegram's encryption</a>, and this time contestants can not only monitor traffic, but also act as the Telegram server and use active attacks, which vastly increases their capabilities.</p>
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<p>In this contest you assume the role of a malicious entity in full control of both the communication lines and the Telegram servers themselves.</p>
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<blockquote>
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<p><strong>UPD</strong> The current round of the contest is over. <a href="https://telegram.org/blog/cryptocontest-ends"><strong>Go to results »</strong></a></p>
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</blockquote>
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<p>Your goal is to extract sensitive data (a secret email address) from a Secret Chat between two users — Nick and Paul. You control the entire process, from chat creation to the sending of each individual message and can perform various active attacks, including MITM, KPA, CPA, replay attacks, etc.</p>
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<h4><a class="anchor" name="contest-interface" href="#contest-interface"><i class="anchor-icon"></i></a>Contest Interface</h4>
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<p>In order to facilitate the task, we have created an interface, using which you can act as the server and determine which side gets what data. For more details, please check out the <strong><a href="https://core.telegram.org/contest300K">Cracking Contest Description</a></strong>.</p>
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<h4><a class="anchor" name="objectives" href="#objectives"><i class="anchor-icon"></i></a>Objectives</h4>
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<p>In order to confirm that Telegram crypto was indeed cracked and claim your <strong>$300,000</strong>, you‘ll need to send an email to the secret email address that you’ve extracted from one of the messages exchanged by Paul and Nick.</p>
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<p>Your email must contain:<br>- The entire text of the message that contained the secret email.<br>- Session logs for the successful attempt with your user_id.<br>- A detailed explanation of the attack on the protocol.<br>- Your bank account details to receive the $300,000 prize.</p>
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<p>There is also a bonus objective with an independent prize of <strong>$100,000</strong>.<br><a href="https://core.telegram.org/contest300K#bonus-objective">See full description for details »</a></p>
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<h4><a class="anchor" name="end-date" href="#end-date"><i class="anchor-icon"></i></a>End Date</h4>
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<p>To prove that the competition was fair, we will add a command that returns the keys used for encryption as soon as a winner is announced. In case there is no winner by February 4, 2015, decryption commands will be added at that date.</p>
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<div>
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<a href="/file/811140570/1/HuWOtUZqH3Y/ae540ee4fe9e565761" target="_blank"><img src="/file/811140509/1/w7ub14yjRmE/857f9fc6bf21c49411" title="Click for print quality image" class="dev_page_image" /></a><br>
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</div>
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<p><em>November 4, 2014<br>The Telegram Team</em></p>
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</div>
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</div>
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<div class="tl_main_share clearfix">
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<a href="https://t.me/share/url?url=https%3A%2F%2Ftelegram.org%2Fblog%2Fcryptocontest&text=%24300%2C000%20for%20cracking%20%23Telegram%20encryption" class="tl_telegram_share_btn" id="tl_telegram_share_btn" data-text="$300,000 for cracking #Telegram encryption" data-url="https://telegram.org/blog/cryptocontest"><i class="tl_telegram_share_icon"></i><span class="tl_telegram_share_label" target="_blank">Forward</span></a>
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<a href="https://twitter.com/share" class="tl_twitter_share_btn" id="tl_twitter_share_btn" data-text="$300,000 for cracking #Telegram encryption" data-url="https://telegram.org/blog/cryptocontest" data-via="Telegram">Tweet <span class="tl_twitter_share_cnt"></span></a>
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</div>
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</div>
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<div class="tl_main_recent_news_wrap tlb_other_news_wrap tl_blog_list_page_wrap">
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<h3 class="tl_main_recent_news_header">
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<a href="/blog">Other News</a>
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</h3>
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<div class="tl_main_recent_news_cards clearfix">
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<a class="dev_blog_card_link_wrap" href="/blog/downloads-attachments-streaming"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001418/12513/cF-RXvZE-6U.103646/9abb402fe4e74b126f" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Download Manager, New Attachment Menu, Live Streaming With Other Apps and More</h4>
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<div class="dev_blog_card_lead">Today's update brings tools to help you control your downloads, send documents with a tap, re-arrange media albums before sending, turn…</div>
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</div>
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<div class="dev_blog_card_date">Mar 11, 2022</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/video-stickers-better-reactions"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001234/e805/Z0pNrCJET-E.104373/a38ce74977bc53b064" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Video Stickers, Better Reactions and More</h4>
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<div class="dev_blog_card_lead">This update brings easy-to-make video stickers, better reactions with more compact animations and extra emoji, a button to review unseen…</div>
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</div>
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<div class="dev_blog_card_date">Jan 31, 2022</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/reactions-spoilers-translations"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001488/d35b/oNi_rR0In0o.124097/c74f7d759893b78bfb" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Reactions, Spoilers, Translation and QR Codes</h4>
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<div class="dev_blog_card_lead">Telegram's 12th update of the year introduces reactions, message translation, themed QR codes, hidden text (spoilers), and more.</div>
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</div>
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<div class="dev_blog_card_date">Dec 30, 2021</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/protected-content-delete-by-date-and-more"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001572/2/u_lvhH-CjJ0.99595/a7fca60f9c9e6e193c" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Protected Content, Delete by Date, Device Management and More</h4>
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<div class="dev_blog_card_lead">Today's update brings tools to prevent others from saving content from groups and channels, the ability to delete messages for specific…</div>
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</div>
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<div class="dev_blog_card_date">Dec 7, 2021</div>
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</div></a>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="footer_wrap">
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<div class="footer_columns_wrap footer_desktop">
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<div class="footer_column footer_column_telegram">
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<h5>Telegram</h5>
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<div class="footer_telegram_description"></div>
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Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
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</div>
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<div class="footer_column">
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<h5><a href="/faq">About</a></h5>
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<ul>
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<li><a href="/faq">FAQ</a></li>
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<li><a href="/blog">Blog</a></li>
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<li><a href="/jobs">Jobs</a></li>
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</ul>
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<div class="footer_column">
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<h5><a href="/apps#mobile-apps">Mobile Apps</a></h5>
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<ul>
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<li><a href="/dl/ios">iPhone/iPad</a></li>
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<li><a href="/dl/android">Android</a></li>
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<li><a href="/dl/wp">Windows Phone</a></li>
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</ul>
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</div>
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<div class="footer_column">
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<h5><a href="/apps#desktop-apps">Desktop Apps</a></h5>
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<ul>
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<li><a href="//desktop.telegram.org/">PC/Mac/Linux</a></li>
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<li><a href="//macos.telegram.org/">macOS</a></li>
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<li><a href="/dl/web">Web-browser</a></li>
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</ul>
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<div class="footer_column footer_column_platform">
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<h5><a href="//core.telegram.org/">Platform</a></h5>
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<ul>
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<li><a href="//core.telegram.org/api">API</a></li>
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<li><a href="//translations.telegram.org/">Translations</a></li>
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<li><a href="//instantview.telegram.org/">Instant View</a></li>
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</ul>
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<h5><a href="/faq">About</a></h5>
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<h5><a href="/blog">Blog</a></h5>
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<h5><a href="/apps">Apps</a></h5>
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<div class="footer_column">
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<h5><a href="//core.telegram.org/">Platform</a></h5>
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<h5><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)">Twitter</a></h5>
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