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225 lines
15 KiB
HTML
225 lines
15 KiB
HTML
<!DOCTYPE html>
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<html class="">
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<head>
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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="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="icon" type="image/png" sizes="16x16" href="/img/favicon-16x16.png">
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<link rel="alternate icon" href="/img/favicon.ico" 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?241" rel="stylesheet" media="screen">
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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>EN <b class="minicaret"></b></a>
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<ul class="dropdown-menu"><li class="chosen "><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/dynamic-video-quality-and-more" class="side_blog_entry">
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<div class="side_blog_date">Oct 31</div>
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<div class="side_blog_title">Improved Videos and Much More</div>
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</a><a href="/blog/gifts-verification-platform" class="side_blog_entry">
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<div class="side_blog_date">Oct 5</div>
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<div class="side_blog_title">Gifts, Verification Platform and More</div>
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</a><a href="/blog/star-giveaways-iv-in-browser" class="side_blog_entry">
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<div class="side_blog_date">Sep 6</div>
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<div class="side_blog_title">Star Giveaways and More</div>
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</a><a href="/blog/superchannels-star-reactions-subscriptions" class="side_blog_entry">
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<div class="side_blog_date">Aug 14</div>
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<div class="side_blog_title">Super Channels, Star Reactions and Subscriptions</div>
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</a><a href="/blog/w3-browser-mini-app-store" class="side_blog_entry">
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<div class="side_blog_date">Jul 31</div>
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<div class="side_blog_title">Telegram Browser, Mini App Store, Gifting Stars and More</div>
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</a><a href="/blog/mini-app-bar-paid-media-and-more" class="side_blog_entry">
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<div class="side_blog_date">Jun 30</div>
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<div class="side_blog_title">Mini App Bar, Paid Media, Story Search & More</div>
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</a><a href="/blog/telegram-stars" class="side_blog_entry">
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<div class="side_blog_date">Jun 6</div>
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<div class="side_blog_title">Telegram Stars: Pay for Digital Goods 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 the <a href="https://core.telegram.org/bug-bounty">Telegram Bug Bounty Program</a> is <strong>always open</strong>.</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>$100</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/dynamic-video-quality-and-more"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400783/3/inBnJMRsW8I.250596/95648f6c88a6890213" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Improved Videos and Much More</h4>
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<div class="dev_blog_card_lead">Today's update adds faster loading, better quality and new speed controls to videos, last edit timestamps, attaching media to sent messages, increased limits for mini apps, new monetization…</div>
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</div>
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<div class="dev_blog_card_date">Oct 31, 2024</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/gifts-verification-platform"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400875/2/7jMIWHhNK14.271741/26556506cae1a02907" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Gifts, Verification Platform and More</h4>
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<div class="dev_blog_card_lead">Users can now send Gifts to their friends: the recipients of gifts can display them on their profile pages or turn them into Stars. Additionally, Telegram launched a platform for businesses…</div>
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</div>
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<div class="dev_blog_card_date">Oct 5, 2024</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/star-giveaways-iv-in-browser"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400331/1/tuLhKJmWKdw.276665/463e789d166b4e3890" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Star Giveaways and More</h4>
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<div class="dev_blog_card_lead">With today's update, groups and channels can use Telegram Stars as prizes in Giveaways. Also, any article you open in the Telegram Browser can now be converted to Instant View, making…</div>
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</div>
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<div class="dev_blog_card_date">Sep 6, 2024</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/superchannels-star-reactions-subscriptions"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400436/1/AFpKVW0u5fw.267441/5fd61b6d2531113c45" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Super Channels, Star Reactions and Subscriptions</h4>
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<div class="dev_blog_card_lead">Today is Telegram's 11th anniversary. Meet Star Reactions and Star Subscriptions that let users support content creators, paid media for…</div>
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</div>
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<div class="dev_blog_card_date">Aug 14, 2024</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="/privacy">Privacy</a></li>
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<li><a href="/press">Press</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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<li><a href="/dl/ios">iPhone/iPad</a></li>
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<li><a href="/dl/web">Mobile Web</a></li>
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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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<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="//core.telegram.org/">Platform</a></h5>
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<h5><a href="/press">Press</a></h5>
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