{"id":7598,"date":"2021-07-08T23:47:00","date_gmt":"2021-07-08T20:47:00","guid":{"rendered":"https:\/\/alfacash.blog\/?p=7598"},"modified":"2024-02-19T21:51:32","modified_gmt":"2024-02-19T18:51:32","slug":"5-maiores-cripto-hacks-da-historia","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/pt\/2021\/07\/08\/5-maiores-cripto-hacks-da-historia\/","title":{"rendered":"Top 5: maiores cripto-hacks da hist\u00f3ria"},"content":{"rendered":"<p>N\u00e3o importa o que seja: dentro do mundo digital, todo tipo de servi\u00e7o pode ser hackeado \u00e0s vezes. Infelizmente, as trocas de criptomoedas de cust\u00f3dia e alguns servi\u00e7os relacionados n\u00e3o s\u00e3o exce\u00e7\u00f5es. Os blockchains s\u00e3o geralmente seguros e \u00e9 quase imposs\u00edvel quebr\u00e1-los. No entanto, quando grandes quantidades de criptomoedas s\u00e3o controladas por apenas uma empresa, os maiores cripto-hacks est\u00e3o fadados a acontecer.<\/p>\n\n\n\n<p>De acordo com a empresa de seguran\u00e7a blockchain <a href=\"https:\/\/hacked.slowmist.io\/en\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">SlowMist<\/a>, <strong>a quantidade total roubada por hackers de plataformas e servi\u00e7os de criptografia \u00e9 superior a $17,4 bilh\u00f5es desde 2012<\/strong>. E eles nem mesmo incluem o <a href=\"https:\/\/alfacash.blog\/2021\/06\/02\/what-happened-may-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">numerosos incidentes<\/a> dentro da Binance Smart Chain (BSC). Mas falando sobre os maiores, eles aconteceram com as trocas de criptomoedas por v\u00e1rios anos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Como os maiores cripto-hacks s\u00e3o feitos<\/strong><\/h2>\n\n\n\n<p>A maioria deles foi poss\u00edvel devido a um vazamento das chaves privadas da central ou devido a altera\u00e7\u00f5es n\u00e3o autorizadas no banco de dados da empresa. <a href=\"https:\/\/medium.com\/lgogroup\/why-institutions-will-not-use-centralized-cryptocurrency-exchanges-dc5ef711eb4a\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Uma pequena explica\u00e7\u00e3o<\/a>: uma vez que voc\u00ea envia seus fundos, eles os mesclam com todos os outros em uma \u00fanica ou poucas carteiras de criptomoedas, totalmente controladas pela empresa.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-1024x682.jpg\" alt=\"cofre-cofre-cripto-piquetagem\" class=\"wp-image-6576\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Ent\u00e3o, o saldo que voc\u00ea pode ver na sua conta \u00e9 apenas um \u201cIOU\u201d registrado em um enorme banco de dados interno. Ent\u00e3o, se algu\u00e9m conseguir quebrar a seguran\u00e7a deste banco de dados (o que \u00e9 muito mais f\u00e1cil do que \u201chackear\u201d um <a href=\"https:\/\/alfacash.blog\/2020\/08\/30\/dummies-what-is-blockchain-how-it-works\/\" target=\"_blank\" rel=\"noreferrer noopener\">blockchain<\/a>), eles podem enganar o sistema para registrar que suas contas realmente t\u00eam uma quantia de dinheiro que eles n\u00e3o t\u00eam.<\/p>\n\n\n\n<p><strong>O (s) hacker (s) retiram os fundos rapidamente e o roubo \u00e9 conclu\u00eddo ent\u00e3o<\/strong>. Provavelmente, a troca de cust\u00f3dia perceber\u00e1 isso tarde demais. \u00c9 por isso que \u00e9 muito aconselh\u00e1vel n\u00e3o deixar as criptomoedas por muito tempo nas bolsas de cust\u00f3dia. Por outro lado, os usu\u00e1rios tamb\u00e9m podem recorrer a trocas n\u00e3o privativas de liberdade (como <a href=\"https:\/\/www.alfa.cash\/pt\" target=\"_blank\" rel=\"noreferrer noopener\">Alfacash<\/a>), onde podem manter controle total sobre seu dinheiro.<\/p>\n\n\n\n<p>Com isso dito, vamos verificar os maiores cripto-hacks da hist\u00f3ria!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bitgrail<\/strong><\/h2>\n\n\n\n<p>Foi um dia ruim para a comunidade Nano (XRB). Em 9 de fevereiro de 2018, o crypto-exchange Bitgrail italiano publicou um <a href=\"https:\/\/web.archive.org\/web\/20180215053431\/https:\/bitgrail.com\/news\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">an\u00fancio ruim<\/a> em sua p\u00e1gina da web. Ao verificar sua plataforma interna, eles notaram que algu\u00e9m, em algum momento, <strong>foi capaz de roubar 17 milh\u00f5es de XRB, equivalente a mais de $192 milh\u00f5es naquela \u00e9poca.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"665\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg\" alt=\"maior-cripto-hacks-bitgrail\" class=\"wp-image-5696\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-300x195.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-150x97.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-270x175.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-770x500.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-782x508.jpg 782w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-793x515.jpg 793w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-370x240.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-554x360.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-306x199.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-260x169.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-87x56.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Francisco Firano, o fundador do Bitgrail, culpou os desenvolvedores do Nano pelo incidente, alegando vulnerabilidades no blockchain. Ele foi provado como errado pelo tribunal, com despesas legais pagas em parte pela equipe Nano. As investiga\u00e7\u00f5es policiais estabeleceram que a troca tinha os fundos dentro de um vulner\u00e1vel <a href=\"https:\/\/alfacash.blog\/2021\/02\/03\/how-to-choose-first-crypto-wallet-tips-tricks\/\" target=\"_blank\" rel=\"noreferrer noopener\">carteira quente<\/a>, e Firano falhou em proteg\u00ea-los adequadamente. <a href=\"https:\/\/cointelegraph.com\/news\/owner-of-hacked-crypto-exchange-bitgrail-sentenced-to-return-funds-to-customers\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Como resultado<\/a>, ele foi respons\u00e1vel por pagar pelas perdas e todos os seus bens foram apreendidos.<\/p>\n\n\n\n<p>Infelizmente, isso n\u00e3o foi suficiente para cobrir as perdas. As v\u00edtimas s\u00e3o <a href=\"https:\/\/www.reddit.com\/r\/nanocurrency\/comments\/cbxrqn\/can_i_recover_my_money_from_bitgrail_got_an_email\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ainda esperando<\/a> para reembolso total. Enquanto isso, o Bitgrail n\u00e3o existe mais, e o pre\u00e7o do XRB \/ NANO diminuiu mais de 63% desde ent\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>KuCoin<\/strong><\/h2>\n\n\n\n<p>Este \u00e9 o mais recente da lista. Em 25 de setembro de 2020, a cripto-troca de Cingapura KuCoin <a href=\"https:\/\/www.kucoin.com\/news\/en-kucoin-security-incident-update\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">anunciado<\/a> um hack de alto perfil envolvendo <a href=\"https:\/\/alfacash.blog\/2020\/08\/20\/how-buy-bitcoin-simple-steps-nice-recipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bitcoin<\/a>, Tokens ERC-20 e outros ativos. No in\u00edcio, eles n\u00e3o mencionaram o valor exato, mas algumas fontes calcularam mais de $150 milh\u00f5es. <strong>N\u00e3o muito depois, a quantia total roubada foi confirmada como $285 milh\u00f5es.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-1024x682.jpg\" alt=\"cofrinho-moedas-criptos\" class=\"wp-image-6500\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Um terceiro malicioso atacou suas hot wallets, mas a troca assumiu a responsabilidade e prometeu reembolsar os usu\u00e1rios, se necess\u00e1rio. Eles trabalharam rapidamente com outras trocas de criptografia, a comunidade e as autoridades para rastrear e recuperar os fundos. Surpreendentemente, essa hist\u00f3ria tem um final feliz. De todos os mencionados nesta lista, KuCoin foi o \u00fanico a realmente recuperar a maior parte dos fundos de <a href=\"https:\/\/alfacash.blog\/2020\/10\/04\/malware-can-steal-cryptos-how-avoid-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">os hackers<\/a>.<\/p>\n\n\n\n<p>De acordo com <a href=\"https:\/\/medium.com\/kucoinexchange\/a-letter-from-the-kucoin-ceo-2020-2021-and-beyond-b9a509f8aa0f\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">uma letra<\/a> por Johnny Lyu, CEO da KuCoin, eles recuperaram com sucesso 78% dos fundos roubados trabalhando com outras bolsas e parceiros. Eles rastrearam os fundos via blockchain e outras trocas bloquearam as transa\u00e7\u00f5es feitas por hackers e apreenderam os tokens. Outro 16% foi coberto por seguro e os 6% restantes foram recuperados por \u00f3rg\u00e3os de aplica\u00e7\u00e3o da lei e institui\u00e7\u00f5es de seguran\u00e7a. KuCoin continua trabalhando normalmente agora. \u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Coincheck<\/strong><\/h2>\n\n\n\n<p>Provavelmente, <a href=\"https:\/\/cryptonews.com\/news\/coincheck-hacked-more-than-500-million-xem-stolen-1093.htm\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">este ataque<\/a> pode ser considerado por alguns como o maior hack de criptografia da hist\u00f3ria. No entanto, devido \u00e0 mudan\u00e7a no valor da criptomoeda envolvida e \u00e0s consequ\u00eancias, reservamos esse lugar para outras pessoas aqui. Isso n\u00e3o significa que n\u00e3o era grande. Foi enorme: <strong>mais de $530 milh\u00f5es foram roubados em NEM (XEM) durante a noite.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"797\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg\" alt=\"\" class=\"wp-image-6090\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-300x233.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-150x117.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-15x12.jpg 15w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-231x180.jpg 231w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-662x515.jpg 662w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-653x508.jpg 653w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-370x288.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-554x431.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-306x238.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-315x245.jpg 315w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-257x200.jpg 257w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-87x67.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Eles cometeram o mesmo erro do Bitgrail: manter os fundos dentro de carteiras quentes, em vez de carteiras frias (fora da Internet). Ao contr\u00e1rio do primeiro caso, no entanto, <a href=\"https:\/\/alfacash.blog\/2021\/02\/10\/top-5-most-crypto-friendly-countries-taxes\/\" target=\"_blank\" rel=\"noreferrer noopener\">o japon\u00eas<\/a> A Coincheck assumiu total responsabilidade pela viola\u00e7\u00e3o. Suspenderam todas as atividades desde o evento, em janeiro de 2018. Em mar\u00e7o, retomaram as atividades e iniciaram o <a href=\"https:\/\/corporate.coincheck.com\/2018\/03\/12\/47.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">plano de reembolso<\/a> para as v\u00edtimas. O montante total roubado foi de 526 milh\u00f5es de XEM. Desde ent\u00e3o, o pre\u00e7o do token diminuiu em mais de 90%.<\/p>\n\n\n\n<p>O ataque da Coincheck marcou uma virada para as criptomoedas japonesas. Ap\u00f3s o evento, os regulamentos em torno das criptomoedas ficaram mais r\u00edgidos neste pa\u00eds. Por alguns outros motivos, <a href=\"https:\/\/alfacash.blog\/2021\/03\/29\/discover-monero-how-use-it-full-privacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">criptomoedas privadas<\/a> foram banidos e os requisitos operacionais para prestadores de servi\u00e7os aumentaram.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bitfinex<\/strong><\/h2>\n\n\n\n<p>2 de agosto de 2016 foi o dia em que quase 120.000 BTC foram roubados deste <a href=\"https:\/\/alfacash.blog\/2021\/03\/11\/top-countries-most-crypto-users-laws\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baseado em Hong Kong<\/a> troca de criptografia devido a uma viola\u00e7\u00e3o em seus sistemas de seguran\u00e7a. Depois do evento, n\u00e3o foram poucos os que pensaram que a empresa estava acabada. Naquela \u00e9poca, o valor subiu para mais de $75 milh\u00f5es, mas foi movido apenas algumas vezes em todos esses anos. <strong>Os hackers ainda t\u00eam cerca de 118.000 BTC em suas carteiras, que agora valem mais de $3,7 bilh\u00f5es, nada menos<\/strong>. Um dos maiores cripto-hacks, de fato.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-1024x682.jpg\" alt=\"bitcoin-coins-handful-wallet\" class=\"wp-image-5779\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Mas em 2016, a Bitfinex interrompeu todas as opera\u00e7\u00f5es por v\u00e1rios dias e socializou as perdas (o que deixou todos os seus usu\u00e1rios com 36% a menos em seus saldos). Eles tamb\u00e9m criaram o <a href=\"https:\/\/www.bitfinex.com\/posts\/184\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Tokens BFX<\/a>, que permaneceriam em cada carteira at\u00e9 que a troca conclu\u00edsse o pagamento da d\u00edvida, ou at\u00e9 que o cliente decidisse troc\u00e1-las por a\u00e7\u00f5es da empresa.<\/p>\n\n\n\n<p>Os primeiros reembolsos aos clientes come\u00e7aram em setembro de 2016. Ap\u00f3s oito meses, os preju\u00edzos foram cobertos, embora uma quantia min\u00fascula do total roubado <a href=\"https:\/\/medium.com\/bitfinex\/bitcoins-returned-to-bitfinex-by-u-s-government-51fe84e8bb12\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">foi recuperado<\/a>. Os hackers parecem ter problemas para lavar e troc\u00e1-los tamb\u00e9m, pelo menos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>O maior cripto-hack de todos os tempos: Mt. Gox<\/strong><\/h2>\n\n\n\n<p>Esse interc\u00e2mbio japon\u00eas teve um 2013 cheio de emo\u00e7\u00f5es. Tornou-se o mundo <a href=\"https:\/\/alfacash.blog\/2021\/06\/30\/5-ways-make-private-transactions-bitcoin\/\" target=\"_blank\" rel=\"noreferrer noopener\">l\u00edder Bitcoin<\/a> c\u00e2mbio, uma vez que estava lidando com mais de 70% do total de transa\u00e7\u00f5es em abril. E precisamente porque n\u00e3o era muito capaz de gerenciar esse grande volume, no mesmo m\u00eas interrompeu as opera\u00e7\u00f5es por v\u00e1rios dias ap\u00f3s um <a href=\"https:\/\/alfacash.blog\/2020\/09\/20\/price-bitcoin-5-times-people-thought-was-dead\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTC crash<\/a> de -52% em 6 horas. E isso \u00e9 apenas o come\u00e7o do fim.<\/p>\n\n\n\n<p>Em 7 de fevereiro de 2014, <a href=\"https:\/\/www.wired.com\/2014\/03\/bitcoin-exchange\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mt. Gox<\/a> interrompeu todas as retiradas de bitcoins e come\u00e7ou a criar desculpas sistem\u00e1ticas para isso. Seu CEO, Mark Karpel\u00e8s, renunciou ao conselho da Funda\u00e7\u00e3o Bitcoin e excluiu todos os seus tweets. O restante das opera\u00e7\u00f5es de trading foi suspenso e, por fim, o site saiu do ar no final do m\u00eas.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"609\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-1024x609.jpg\" alt=\"Turkey-bans-crypto-Dogecoin\" class=\"wp-image-7172\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-1024x609.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-150x89.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-260x155.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-87x52.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-300x178.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-770x458.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-854x508.jpg 854w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-866x515.jpg 866w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-370x220.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-554x329.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-306x182.jpg 306w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Os usu\u00e1rios preocupados logo descobririam a terr\u00edvel verdade. A empresa estava insolvente na sequ\u00eancia de <strong>um hack que roubou 744.408 BTC (cerca de $473 milh\u00f5es na \u00e9poca e + $23,8 bilh\u00f5es hoje).<\/strong> Mt. Gox pediu concordata em T\u00f3quio no final de fevereiro, e a\u00ed mesmo come\u00e7ou a odiss\u00e9ia de seus antigos clientes para recuperar seus fundos (e continua <a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-03-19\/fortress-said-to-offer-earlier-payout-on-mt-gox-creditor-claims\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">At\u00e9 a presente data<\/a>).<\/p>\n\n\n\n<p>O ataque Mt. Gox foi um ponto de viragem para Bitcoin e o <a href=\"https:\/\/alfacash.blog\/2021\/07\/03\/what-happened-june-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">mundo criptomoeda<\/a>. A partir de ent\u00e3o, as trocas de criptografia come\u00e7aram a melhorar sua seguran\u00e7a, suas reservas e seus regulamentos. Temos melhores op\u00e7\u00f5es agora, e tamb\u00e9m trocas sem cust\u00f3dia.<br><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Quer trocar Bitcoin e outros tokens? Voc\u00ea consegue<\/em>\u00a0<em>com seguran\u00e7a\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">em Alfacash<\/a>! E n\u00e3o se esque\u00e7a de que estamos falando sobre isso e muitas outras coisas em nossas redes sociais.<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">Telegrama<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.facebook.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.instagram.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Instagram<\/a> * <a href=\"https:\/\/www.youtube.com\/channel\/UCOl4fdRHj8AseQ5b6z9udaw\" target=\"_blank\" rel=\"noreferrer noopener\">YouTube<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/vk.com\/alfacashcrypto\" target=\"_blank\" rel=\"noreferrer noopener\">Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Quando grandes quantidades de criptomoedas s\u00e3o controladas por apenas uma empresa, os maiores hacks de criptografia est\u00e3o prestes a acontecer. Vamos verificar esses assaltos enormes!<\/p>","protected":false},"author":5,"featured_media":7604,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[51],"tags":[61,135,59,186,111,298,18],"class_list":{"0":"post-7598","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-crypto-culture","8":"tag-cryptocurrencies","9":"tag-cybersecurity","10":"tag-exchanges","11":"tag-hack","12":"tag-mt-gox","13":"tag-robbery","14":"tag-top"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/07\/hack-scaled.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/pt\/author\/isabel\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Top 5: Biggest crypto-hacks in history - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"When great amounts of cryptos are controlled by only one company, the biggest crypto-hacks are bound to happen. 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