{"id":17204,"date":"2022-12-02T17:17:24","date_gmt":"2022-12-02T17:17:24","guid":{"rendered":"https:\/\/blockchainjournal.news\/es\/?p=17204"},"modified":"2022-12-02T17:17:29","modified_gmt":"2022-12-02T17:17:29","slug":"a-la-luz-del-exploit-confirmado-ankr-ha-solicitado-la-suspension-del-trading","status":"publish","type":"post","link":"https:\/\/blockchainjournal.news\/es\/a-la-luz-del-exploit-confirmado-ankr-ha-solicitado-la-suspension-del-trading\/","title":{"rendered":"A la Luz del Exploit Confirmado, Ankr ha Solicitado la Suspensi\u00f3n del Trading"},"content":{"rendered":"<p style=\"text-align: justify\">El protocolo de <a class=\"keychainify-checked\" href=\"https:\/\/blockchainjournal.news\/es\/noticias\/defi\/\" target=\"_blank\" rel=\"noopener\"><strong>finanzas descentralizadas<\/strong><\/a> ha anunciado que est\u00e1 trabajando con los exchanges para dejar de comerciar con su moneda de recompensa de stake, aBNBc, inmediatamente.<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify\">El 1 de diciembre se utiliz\u00f3 un exploit multimillonario contra el sistema de finanzas descentralizadas (Defi) basado en la BNB chain, Ankr.<\/p>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/hashtag\/PeckShieldAlert?src=hash&amp;ref_src=twsrc%5Etfw\">#PeckShieldAlert<\/a> Seems like <a href=\"https:\/\/twitter.com\/ankr?ref_src=twsrc%5Etfw\">@ankr<\/a> has been exploited, <a href=\"https:\/\/twitter.com\/search?q=%24aBNBc&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$aBNBc<\/a> has dropped -50%, tons of <a href=\"https:\/\/twitter.com\/search?q=%24aBNBc&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$aBNBc<\/a> have minted to <a href=\"https:\/\/t.co\/nyfwdd6fWI\">https:\/\/t.co\/nyfwdd6fWI<\/a><br \/>and the exploiter transferred some of the stolen funds to Tornado cash or bridged them via celer and deBridgeGate to Ethereum <a href=\"https:\/\/twitter.com\/peckshield?ref_src=twsrc%5Etfw\">@peckshield<\/a> <a href=\"https:\/\/t.co\/vK94dIEWIt\">pic.twitter.com\/vK94dIEWIt<\/a><\/p>\n<p>&mdash; PeckShieldAlert (@PeckShieldAlert) <a href=\"https:\/\/twitter.com\/PeckShieldAlert\/status\/1598491115887661056?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<p style=\"text-align: justify\"><strong>PeckShield,<\/strong> un analista de seguridad de la cadena, parece haber detectado el ataque por primera vez a las 12:35 UTC del 2 de diciembre.<\/p>\n<p style=\"text-align: justify\">Ankr tuite\u00f3 una hora despu\u00e9s del hackeo para aclarar que se hab\u00eda abusado del token aBNB y que estaba trabajando con los exchanges para dejar de comercializar el token comprometido.<\/p>\n<h2 style=\"text-align: justify\">El Token con Recompensa de Ankr BNB<\/h2>\n<p style=\"text-align: justify\">Se dice que el atacante minteo un token como recompensa debido al stake de BNB en el protocolo Ankr Reward Bearing Staked BNB (aBNBc), por un valor de 20 billones.<\/p>\n<p style=\"text-align: justify\">El hacker supuestamente utiliz\u00f3 servicios como <strong>Uniswap, Tornado Cash<\/strong> y varios puentes para intercambiar y ocultar los fondos para ganar unos<strong> 5 millones de d\u00f3lares de USD Coin<\/strong>, seg\u00fan un tweet de la empresa de an\u00e1lisis en cadena Lookonchain. En un comunicado posterior, tambi\u00e9n afirm\u00f3 que,<\/p>\n<p style=\"text-align: center\"><em> &#8220;todos los activos subyacentes en Ankr Staking son seguros en este momento, y todos los servicios de infraestructura no se ven afectados&#8221;.<\/em><\/p>\n<h2 style=\"text-align: justify\">La Mejora T\u00e9cnica<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-20923\" src=\"https:\/\/blockchainjournal.news\/wp-content\/uploads\/2022\/12\/3-40.jpg\" alt=\"The decentralized-finance protocol said it is working with exchanges to immediately halt trading of its BNB staking rewards token, aBNBc.\" width=\"840\" height=\"279\" \/><\/p>\n<p style=\"text-align: justify\">La empresa de seguridad de blockchain Beosin coment\u00f3 el hackeo y dijo que el exploit probablemente fue causado por fallas en el c\u00f3digo del smart contract y las claves privadas robadas, que pueden haber sido el resultado de una actualizaci\u00f3n t\u00e9cnica reciente del equipo de Ankr.<\/p>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Seems that <a href=\"https:\/\/twitter.com\/ankr?ref_src=twsrc%5Etfw\">@ankr<\/a> got hacked an hour ago!<\/p>\n<p>The exploiter minted 20T aBNBc and dumped it on <a href=\"https:\/\/twitter.com\/hashtag\/PancakeSwap?src=hash&amp;ref_src=twsrc%5Etfw\">#PancakeSwap<\/a>.<\/p>\n<p>At present, the exploiter have successfully exchanged more than 5 million <a href=\"https:\/\/twitter.com\/search?q=%24USDC&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$USDC<\/a>.<a href=\"https:\/\/t.co\/hF1tgNYw0t\">https:\/\/t.co\/hF1tgNYw0t<\/a> <a href=\"https:\/\/t.co\/XIPjBi6wvs\">pic.twitter.com\/XIPjBi6wvs<\/a><\/p>\n<p>&mdash; Lookonchain (@lookonchain) <a href=\"https:\/\/twitter.com\/lookonchain\/status\/1598499855412121600?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<p style=\"text-align: justify\">Seg\u00fan los <a class=\"keychainify-checked\" href=\"https:\/\/coinmarketcap.com\/currencies\/ankr-reward-bearing-staked-bnb\/\" target=\"_blank\" rel=\"noopener\"><strong>datos de CoinMarketCap<\/strong><\/a>, el episodio de minteo masivo hizo que el precio de aBNBc se <strong>desplomara un 99,5% en un par de horas<\/strong>, <strong>pasando de 303,89 d\u00f3lares a 1,53 d\u00f3lares<\/strong>.<\/p>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/ankr?ref_src=twsrc%5Etfw\">@ankr<\/a> has been exploited. <a href=\"https:\/\/twitter.com\/search?q=%24aBNBc&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$aBNBc<\/a> has dropped -99.5%. <br \/>The hacker minted tons of <a href=\"https:\/\/twitter.com\/search?q=%24aBNBc&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$aBNBc<\/a> and made a profit of 5,500 BNB (~$1.6 million)<br \/>The deployer changed the implementation contract to the vulnerable contract address before the attack (possibly due to private key compromise). <a href=\"https:\/\/t.co\/GJheXh0oDp\">pic.twitter.com\/GJheXh0oDp<\/a><\/p>\n<p>&mdash; Beosin Alert (@BeosinAlert) <a href=\"https:\/\/twitter.com\/BeosinAlert\/status\/1598514702849826817?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">\ud83d\udce3 We are introducing changes to all Reward Bearing and Earning Tokens token models.<\/p>\n<p>This is a strategic decision that we believe will best serve our community of holders, stakers and liquidity providers \ud83e\udd1d<\/p>\n<p>For a better understanding, read the \ud83e\uddf5 below.<a href=\"https:\/\/t.co\/N6RjZOtUYH\">https:\/\/t.co\/N6RjZOtUYH<\/a> <a href=\"https:\/\/t.co\/v7wuQnnx8g\">pic.twitter.com\/v7wuQnnx8g<\/a><\/p>\n<p>&mdash; Ankr (@ankr) <a href=\"https:\/\/twitter.com\/ankr\/status\/1598346339292631041?ref_src=twsrc%5Etfw\">December 1, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<p style=\"text-align: center\"><em>&#8220;Es posible que la clave privada del desplegador quedara expuesta en esta actualizaci\u00f3n, lo que llev\u00f3 a un atacante a utilizar los privilegios del desplegador para modificar el contrato&#8221;, dijo el portavoz de Beosin<\/em><\/p>\n<p style=\"text-align: justify\">El exchange de criptomonedas Binance confirm\u00f3 en un tuit el 2 de diciembre que su equipo est\u00e1 trabajando con las partes pertinentes para investigar m\u00e1s a fondo la situaci\u00f3n y que los fondos de sus usuarios est\u00e1n a salvo. Adem\u00e1s, la direcci\u00f3n de la wallet del hacker ha sido incluida en la lista negra, seg\u00fan la p\u00e1gina de Twitter de la BNB chain.<\/p>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">We are aware of the attack on <a href=\"https:\/\/twitter.com\/ankr?ref_src=twsrc%5Etfw\">@ankr<\/a>&#39;s aBNBc that happened earlier today, leading to a substantial amount of new aBNBc being minted. The exploiter has been blacklisted.<br \/>Our community is on top of it, coordinating a response. We will provide more updates as they become available.<\/p>\n<p>&mdash; BNB Chain (@BNBCHAIN) <a href=\"https:\/\/twitter.com\/BNBCHAIN\/status\/1598533891425386496?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n","protected":false},"excerpt":{"rendered":"<p>El protocolo de finanzas descentralizadas ha anunciado que est\u00e1 trabajando con los exchanges para dejar de comerciar con su moneda de recompensa de stake, aBNBc, inmediatamente.<\/p>\n","protected":false},"author":17,"featured_media":17205,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1165,1035,177,189],"tags":[1431,194,497,59],"class_list":{"0":"post-17204","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-companias","8":"category-defi","9":"category-noticias","10":"category-noticias-blockchain","11":"tag-ankr","12":"tag-binance","13":"tag-bnb","14":"tag-featured"},"_links":{"self":[{"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/posts\/17204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/comments?post=17204"}],"version-history":[{"count":0,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/posts\/17204\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/media\/17205"}],"wp:attachment":[{"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/media?parent=17204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/categories?post=17204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blockchainjournal.news\/es\/wp-json\/wp\/v2\/tags?post=17204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}