Fork Watch: Disputed Consensus and an Abundance of Game Theory

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In less than 24 hours the Bitcoin Cash (BCH) network will be facing a hard fork involving consensus changes that are currently disputed and may lead to a blockchain split. Two development teams have proposed different paths for the Nov. 15 upgrade and the clashing BCH reference implementations will be incompatible with each other after…

Hacker Livestreams 51% Attack on Bitcoin Private

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On Oct. 13, ethical hacker “Geocold” followed through on his promise to 51 percent attack an altcoin. He eventually settled on Bitcoin Private (BTCP), and quickly gained majority hashrate control, but the spectacle was fraught with setbacks, including censorship from two streaming services that pulled the plug. Also read: Mischief-Maker Promises to Livestream a 51%…

Japan’s Internet Giant GMO Launches New Upgraded 7nm Bitcoin Miner

Japan’s Internet Giant GMO Launches New Upgraded 7nm Bitcoin Miner

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Japanese internet giant GMO has launched a new, upgraded model of its bitcoin miner equipped with 7nm ASIC mining chips. The previous model was sold out. The new model can achieve a higher hash rate and has a “hash power optimization function.” It is for sale at the same price as the previous model. Also…