Bitcoin
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BTC · 6w

Offtopic, but just to have a good laugh: Bitcoin SV (BSV) hit by 51% attack, three malicious chains created. Goodbye, CSW.

Bitcoin SV (BSV) was hit by a 51% attack last night, leading to over three malicious chains getting created and several blocks getting ‘reorganized,’ data from multiple sources showed.

“After an attempted attack yesterday, some serious hashing power was unleashed today at 11:46 AM and attackers are succeeding. Over a dozen blocks are being reorgd & up to 3 versions of the chain being mined simultaneously across pools,” noted Lucas Nuzzi, a product manager at CoinMetrics, on Twitter.

He added, “There was plenty of confusion across mining pools after the attack, but only one (successful) 14-block reorg since the attack began.”

BSV is going through a massive 51% attack. After an attempted attack yesterday, some serious hashing power was unleashed today at 11:46AM and attackers are succeeding. Over a dozen blocks are being reorgd & up to 3 versions of the chain being mined simultaneously across pools. — Lucas Nuzzi (@LucasNuzzi) August 3, 2021

In response to the attack, the Bitcoin Association stated node operators should mark the fraudulent chain as “invalid,” allowing to return the node to the chain supported by honest miners and “lock the attacker’s chain out.”

“To invalidate the fraudulent chain, node operators should run the following command on their #BitcoinSV node: bitcoin-cli invalidateblock 000000000000000003B67AEC95E9B5DA897EB5EBF3227D5A6A67835104367840” In response to the ongoing re-organisation attack on the #BSV network, Bitcoin Association recommends that node operators mark the fraudulent chain as invalid. This will immediately return your node to the chain supported by honest miners and lock the attacker’s chain out. 1/2 — Bitcoin Association (@BitcoinAssn) August 3, 2021

Major crypto exchanges did not delist BSV at press time. However, Huobi, OKEx, and Bittrex had previously delisted BSV after a similar attack last month that caused an illegal block reorganization.

BSV prices and explaining the 51% ...
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