{"id":32524,"date":"2020-11-29T12:15:04","date_gmt":"2020-11-29T10:15:04","guid":{"rendered":"https:\/\/forklog.com\/en\/?p=32524"},"modified":"2025-08-28T09:07:12","modified_gmt":"2025-08-28T06:07:12","slug":"anonymous-group-of-miners-carried-out-a-51-attack-on-bitcoin-cash-abc","status":"publish","type":"post","link":"https:\/\/forklog.com\/en\/anonymous-group-of-miners-carried-out-a-51-attack-on-bitcoin-cash-abc\/","title":{"rendered":"Anonymous group of miners carried out a 51% attack on Bitcoin Cash ABC"},"content":{"rendered":"<p>The Bitcoin Cash ABC (BCHA) network, left in the minority after the recent hard fork, was subjected to an attack by unknown miners who for a time seized a majority of its hashrate.<\/p>\n<p>The first message from the anonymous miners&#8217; group named voluntarism.dev was published on Wednesday, 25 November, stating that \u201cGood ideas do not require force.\u201d The attack aimed to direct 100% of mining rewards to the Bitcoin Cash development fund.<\/p>\n<p>On 15 November the Bitcoin Cash <a href=\"https:\/\/forklog.com\/en\/news\/bitcoin-cash-splits-into-two-incompatible-chains-after-hard-fork\">took place<\/a> a scheduled hard fork. However, the largest until recently client for Bitcoin Cash ABC did not secure community support, and the blockchain split into two mutually incompatible chains.<\/p>\n<p>The key innovation was the Coinbase Rule, which rejects blocks that do not allocate any portion of the rewards to the Bitcoin Cash development fund. This aspect sparked the main controversy \u2014 a large portion of the community did not agree with the proposal, releasing in response the BCHN client without support for this option.<\/p>\n<blockquote class=\\\"twitter-tweet\\\">\n<p dir=\\\"ltr\\\" lang=\\\"en\\\">ABC violated the NAP with 9 months of civil war. freeriders must pay 100% of the block reward to ABC. we will orphan all blocks that do not. we will pay 100% as well, once ABC merges this change <a href=\\\"https:\/\/t.co\/82rcZPWQ6N\\\">https:\/\/t.co\/82rcZPWQ6N<\/a><\/p>\n<p>\u2014 voluntarism.dev (@DevVoluntarism) <a href=\\\"https:\/\/twitter.com\/DevVoluntarism\/status\/1332309259241943040?ref_src=twsrc%5Etfw\\\">November 27, 2020<\/a><\/p>\n<\/blockquote>\n<p><script async src=\\\"https:\/\/platform.twitter.com\/widgets.js\\\" charset=\\\"utf-8\\\"><\/script><\/p>\n<blockquote>\n<p>\u00abABC \u043d\u0430\u0440\u0443\u0448\u0438\u043b\u0430 \u043c\u0438\u0440\u043d\u044b\u0439 \u0434\u043e\u0433\u043e\u0432\u043e\u0440, \u043d\u0430\u0447\u0430\u0432 \u0433\u0440\u0430\u0436\u0434\u0430\u043d\u0441\u043a\u0443\u044e \u0432\u043e\u0439\u043d\u0443 \u0434\u043b\u0438\u043d\u043e\u0439 \u0432 \u0434\u0435\u0432\u044f\u0442\u044c \u043c\u0435\u0441\u044f\u0446\u0435\u0432. \u041b\u044e\u0431\u0438\u0442\u0435\u043b\u0438 \u0445\u0430\u043b\u044f\u0432\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u043b\u0430\u0442\u0438\u0442\u044c 100% \u043d\u0430\u0433\u0440\u0430\u0434\u044b \u0437\u0430 \u0431\u043b\u043e\u043a. \u041c\u044b \u043e\u0441\u0442\u0430\u0432\u0438\u043c \u043f\u0443\u0441\u0442\u044b\u043c\u0438 \u0432\u0441\u0435 \u0431\u043b\u043e\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435 \u0431\u0443\u0434\u0443\u0442 \u044d\u0442\u043e\u0433\u043e \u0434\u0435\u043b\u0430\u0442\u044c\u00bb, \u2014 \u0437\u0430\u044f\u0432\u0438\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u0435\u043b\u0438 voluntarism.dev 27 \u043d\u043e\u044f\u0431\u0440\u044f.<\/p>\n<\/blockquote>\n<p>\u0415\u0449\u0451 \u0447\u0435\u0440\u0435\u0437 \u0434\u0435\u043d\u044c \u043e\u043d\u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043b\u0438, \u0447\u0442\u043e \u00ab\u043e\u0431\u044a\u0435\u043c \u0446\u0435\u043d\u043d\u043e\u0441\u0442\u0438, \u0443\u043a\u0440\u0430\u0434\u0435\u043d\u043d\u043e\u0439 ABC \u0443 BCH, \u043c\u0435\u0440\u043a\u043d\u0435\u0442 \u043f\u0435\u0440\u0435\u0434 \u043d\u0430\u0448\u0438\u043c\u0438 \u0440\u0430\u0441\u0445\u043e\u0434\u0430\u043c\u0438\u00bb.<\/p>\n<blockquote>\n<p>\u00ab\u041c\u044b \u0433\u0440\u0443\u043f\u043f\u0430 \u043c\u0430\u0439\u043d\u0435\u0440\u043e\u0432 \u0438 \u043a\u0438\u0442\u043e\u0432 \u0438\u0437 \u0441\u0442\u0430\u0440\u043e\u0439 \u0433\u0432\u0430\u0440\u0434\u0438\u0438. \u041c\u044b \u043c\u043e\u0436\u0435\u043c \u0434\u0435\u043b\u0430\u0442\u044c \u044d\u0442\u043e \u0433\u043e\u0434\u0430\u043c\u0438. \u041a\u043e\u0433\u0434\u0430 \u0431\u0443\u0434\u0435\u0442\u0435 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u0444\u043e\u0440\u043a \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043d\u0443\u043b\u0435\u0432\u043e\u0439 \u0431\u043b\u043e\u043a, \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c Proof-of-Work \u0438 \u0441\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0441\u0432\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e. BCH \u0437\u0430\u0449\u0438\u0449\u0435\u043d\u00bb.<\/p>\n<\/blockquote>\n<blockquote class=\\\"twitter-tweet\\\">\n<p dir=\\\"ltr\\\" lang=\\\"en\\\">the amount of value that abc stole from bch pales in comparison to our expenditures. we are a group of old-guard miners and whales. we can do this for years. next time you fork: use your own genesis block, your own pow algo, and build your own community. bch is protected.<\/p>\n<p>\u2014 voluntarism.dev (@DevVoluntarism) <a href=\\\"https:\/\/twitter.com\/DevVoluntarism\/status\/1332514914062061568?ref_src=twsrc%5Etfw\\\">November 28, 2020<\/a><\/p>\n<\/blockquote>\n<p><script async src=\\\"https:\/\/platform.twitter.com\/widgets.js\\\" charset=\\\"utf-8\\\"><\/script><\/p>\n<p>\u041d\u0430 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u0430\u0442\u0430\u043a\u0430 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f, \u0445\u043e\u0442\u044f \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u0438 \u043e\u0442\u043c\u0435\u0447\u0430\u044e\u0442, \u0447\u0442\u043e \u0441\u0435\u0442\u0438 BCHA \u0434\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0439 \u0441\u0442\u0435\u043f\u0435\u043d\u0438 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0437\u0430\u0449\u0438\u0442\u0438\u0442\u044c\u0441\u044f \u0438 \u043c\u0430\u0439\u043d\u0438\u043d\u0433 \u043c\u043e\u043d\u0435\u0442\u044b \u0441\u043d\u043e\u0432\u0430 \u0441\u0442\u0430\u043b \u043f\u0440\u0438\u0431\u044b\u043b\u044c\u043d\u044b\u043c.<\/p>\n<blockquote class=\\\"twitter-tweet\\\" data-conversation=\\\"none\\\">\n<p dir=\\\"ltr\\\" lang=\\\"en\\\">It has now become profitable to mine ABC blocks and there have been some massive blocks mined by other unknown miners.<\/p>\n<p>The malicious miner is still there trying to wreak havoc, but now it is profitable it is much harder with more miners supporting abc.<a href=\\\"https:\/\/t.co\/6JXDWpKZsF\\\">https:\/\/t.co\/6JXDWpKZsF<\/a><\/p>\n<p>\u2014 Michael Nunzio (@kilrcola) <a href=\\\"https:\/\/twitter.com\/kilrcola\/status\/1332890865967136768?ref_src=twsrc%5Etfw\\\">November 29, 2020<\/a><\/p>\n<\/blockquote>\n<p><script async src=\\\"https:\/\/platform.twitter.com\/widgets.js\\\" charset=\\\"utf-8\\\"><\/script><\/p>\n<p>The price of the BCHA token fell as a result of the latest events, dropping from $22 at the start of the week to around $17 by the morning of Saturday, 28 November. At the time of publication it was trading around $17.5.<\/p>\n<div id=\\\"attachment_117927\\\" style=\\\"width: 610px\\\" class=\\\"wp-caption alignnone\\\"><img loading=\\\"lazy\\\" decoding=\\\"async\\\" aria-describedby=\\\"caption-attachment-117927\\\" class=\\\"wp-image-117927\\\" src=\\\"https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29.png\\\" alt=\\\"\u0413\u0440\u0443\u043f\u043f\u0430 \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u044b\u0445 \u043c\u0430\u0439\u043d\u0435\u0440\u043e\u0432 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u043b\u0430 \u0430\u0442\u0430\u043a\u0443 51% \u043d\u0430 Bitcoin Cash ABC\\\" width=\\\"600\\\" height=\\\"600\\\" srcset=\\\"https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29.png 1200w, https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29-300x300.png 300w, https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29-1024x1024.png 1024w, https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29-150x150.png 150w, https:\/\/forklog.com\/wp-content\/uploads\/btc-chart-2020-11-29-768x768.png 768w\\\" sizes=\\\"auto, (max-width: 600px) 100vw, 600px\\\" \/><\/p>\n<p id=\\\"caption-attachment-117927\\\" class=\\\"wp-caption-text\\\">Source: <a href=\\\"https:\/\/www.coingecko.com\/en\/coins\/bitcoin-cash-abc\\\" target=\\\"_blank\\\" rel=\\\"nofollow noopener noreferrer\\\">CoinGecko<\/a>.<\/p>\n<\/div>\n<p>Subscribe to ForkLog news on Telegram: <a href=\\\"https:\/\/t.me\/forkloglive\\\" target=\\\"_blank\\\" rel=\\\"nofollow noopener noreferrer\\\">ForkLog FEED<\/a> \u2014 the full news feed, <a href=\\\"https:\/\/telegram.me\/forklog\\\" target=\\\"_blank\\\" rel=\\\"nofollow noopener noreferrer\\\">ForkLog<\/a> \u2014 the most important news and polls.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Bitcoin Cash ABC (BCHA) network, left in the minority after the recent hard fork, was attacked by unknown miners who for a time seized the majority of its hashrate.<\/p>\n","protected":false},"author":1,"featured_media":32525,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"select":"1","news_style_id":"","cryptorium_level":"","_short_excerpt_text":"","creation_source":"","_metatest_mainpost_news_update":false,"footnotes":""},"categories":[3],"tags":[1395,754],"class_list":["post-32524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-analysis","tag-51-percent-attack","tag-bitcoin-cash"],"aioseo_notices":[],"amp_enabled":true,"views":"21","promo_type":"1","layout_type":"","short_excerpt":"","is_update":"","_links":{"self":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/32524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/comments?post=32524"}],"version-history":[{"count":1,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/32524\/revisions"}],"predecessor-version":[{"id":32526,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/32524\/revisions\/32526"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/media\/32525"}],"wp:attachment":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/media?parent=32524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/categories?post=32524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/tags?post=32524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}