{"id":37017,"date":"2022-12-02T12:44:22","date_gmt":"2022-12-02T12:44:22","guid":{"rendered":"https:\/\/thecryptocurrencypost.net\/es\/?p=37017"},"modified":"2026-05-30T09:24:32","modified_gmt":"2026-05-30T07:24:32","slug":"el-protocolo-ankr-defi-sufre-un-ataque-multimillonario","status":"publish","type":"post","link":"https:\/\/thecryptocurrencypost.net\/es\/el-protocolo-ankr-defi-sufre-un-ataque-multimillonario\/","title":{"rendered":"El Protocolo Ankr Defi Sufre un Ataque Multimillonario"},"content":{"rendered":"<p style=\"text-align: justify\">El protocolo Ankr <a href=\"https:\/\/thecryptocurrencypost.net\/es\/tag\/defi\/\">defi<\/a>, basado en la BNB chain, ha sufrido un importante exploit como consecuencia de <strong>un fallo en su c\u00f3digo que permit\u00eda el minteo ilimitado de su token<\/strong>. El equipo ya lo ha confirmado en Twitter y ha afirmado que ninguno de los servicios de infraestructura se ha visto afectado y que todos los activos de las apuestas siguen siendo seguros.<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify\">El c\u00f3digo del contrato de Ankr, seg\u00fan la <a class=\"keychainify-checked\" href=\"https:\/\/thecryptocurrencypost.net\/es\/companias\/\" target=\"_blank\" rel=\"noopener\"><strong>empresa<\/strong><\/a> de an\u00e1lisis de seguridad <strong>PeckShield,<\/strong> habr\u00eda permitido a cualquier usuario <strong>crear un n\u00famero infinito de tokens de las recompensas de stake del protocolo sin necesidad de verificaci\u00f3n.<\/strong> Esto hizo posible que el atacante emitiera seis cuatrillones de tokens aBNBc.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Our analysis shows the <a href=\"https:\/\/x.com\/search?q=%24aBNBc&amp;src=ctag&amp;ref_src=twsrc%5Etfw\">$aBNBc<\/a> token contract has an unlimited mint bug. Specifically, while mint()  is protected with onlyMinter modifier, there is another function (w\/ 0x3b3a5522 func. signature) that completely bypasses the caller verification to have arbitrary mint !!! <a href=\"https:\/\/t.co\/h51e7xpcVf\">https:\/\/t.co\/h51e7xpcVf<\/a> <a href=\"https:\/\/t.co\/caRgasNNHq\">pic.twitter.com\/caRgasNNHq<\/a><\/p>\n<p>&mdash; PeckShield Inc. (@peckshield) <a href=\"https:\/\/x.com\/peckshield\/status\/1598508401755144196?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p style=\"text-align: justify\">El atacante pudo intercambiar 20 billones del token aBNBc por BNB despu\u00e9s de crear los cuatrillones de aBNBc. Seg\u00fan un tweet de otra firma de an\u00e1lisis en cadena, <strong>Lookonchain,<\/strong> el explotador ha intercambiado y ofuscado posteriormente los fondos utilizando servicios como Uniswap, Tornado Cash y diferentes puentes para ganar unos <strong>5 millones de d\u00f3lares en USD Coin (USDC)<\/strong>.<\/p>\n<p style=\"text-align: justify\"><strong>El Ankr Reward Bearing Staked BNB <a class=\"keychainify-checked\" href=\"https:\/\/coinmarketcap.com\/currencies\/ankr-reward-bearing-staked-bnb\/\" target=\"_blank\" rel=\"noopener noreferrer\">(aBNBc)<\/a> de la plataforma ha ca\u00eddo m\u00e1s de un 99% desde el ataque.<\/strong> Seg\u00fan los datos de Coinmarketcap, el token ha ca\u00eddo de m\u00e1s de 300 d\u00f3lares a apenas 1,5 d\u00f3lares en las \u00faltimas 24 horas, aunque con un volumen de negociaci\u00f3n del 14.138% al cierre de esta edici\u00f3n.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-39098\" src=\"https:\/\/thecryptocurrencypost.net\/wp-content\/uploads\/2022\/12\/Ankr-Protocol-1.png\" alt=\"Ankr Defi Protocol Suffers a Multi-million Dollar Attack\" width=\"699\" height=\"280\" \/><\/p>\n<h2 style=\"text-align: justify\">Ankr Pide la Paralizaci\u00f3n Inmediata de los Retiros<\/h2>\n<p style=\"text-align: justify\">La plataforma reconoci\u00f3 la explotaci\u00f3n del protocolo financiero descentralizado, al tiempo que confirm\u00f3 la explotaci\u00f3n de su moneda Ankr Reward Bearing Staked BNB (aBNBc).<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">All underlying assets on Ankr Staking are safe at this time, and all infrastructure services are unaffected.<\/p>\n<p>&mdash; Ankr (@ankr) <a href=\"https:\/\/x.com\/ankr\/status\/1598510347563966466?ref_src=twsrc%5Etfw\">December 2, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p style=\"text-align: justify\">Dijeron que estaban trabajando actualmente con los exchanges para detener inmediatamente el comercio.<strong> El director general de Binance, CZ, confirm\u00f3 que su exchange hab\u00eda pausado los retiros<\/strong> y tambi\u00e9n congel\u00f3 unos 3 millones de d\u00f3lares que los hackers trasladaron a la plataforma.<\/p>\n<p style=\"text-align: center\"><em>&#8220;Actualmente estamos elaborando un plan y nos comprometemos a compensar a los usuarios afectados&#8221;, tuite\u00f3 Ankr.<\/em><\/p>\n<p style=\"text-align: justify\">El equipo, que tambi\u00e9n se compromete a volver a emitir el aBNBc casi a cero, anima a los usuarios a no operar y, si son proveedores de liquidez, a retirar la liquidez de los DEX.<\/p>\n<p style=\"text-align: justify\">Por otro lado, un trader oportunista se benefici\u00f3 del exploit y convirti\u00f3 <strong>10 BNB (2.885 d\u00f3lares) en 15,5 millones de BUSD.<\/strong> El comerciante lo consigui\u00f3 utilizando Helio, un protocolo de pr\u00e9stamo DeFi, que no ten\u00eda un precio preciso para los aBNBc despu\u00e9s de la ca\u00edda.<\/p>\n<p style=\"text-align: justify\">El operador tambi\u00e9n pudo pedir prestados 16 millones de d\u00f3lares de la poco negociada stablecoin <strong>HAY<\/strong> y convertirlos en BUSD utilizando el precio del aBNBc anterior a la ca\u00edda. Esto ha hecho que la stablecoin HAY se desplome, cayendo hasta 20 c\u00e9ntimos, pero actualmente se est\u00e1 recuperando de nuevo, con un precio de 63 c\u00e9ntimos, seg\u00fan CoinMarketCap.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El protocolo Ankr defi, basado en la BNB chain, ha sufrido un importante exploit como consecuencia de un fallo en su c\u00f3digo que permit\u00eda el minteo ilimitado de su token. El equipo ya lo ha confirmado en Twitter y ha afirmado que ninguno de los servicios de infraestructura se ha visto afectado y que todos [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":37018,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[255,33],"tags":[498,146,354,98,497],"class_list":["post-37017","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-defi","category-editors-picks","tag-ankr","tag-binance","tag-bnb","tag-defi","tag-hackeo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El Protocolo Ankr Defi Sufre un Ataque Multimillonario The CryptoCurrency Post ESP<\/title>\n<meta name=\"description\" content=\"El protocolo Ankr defi, basado en la BNB chain, ha sufrido un importante exploit como consecuencia de un fallo en su c\u00f3digo 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