Bitcoin Cash reportedly suffered a 51% attack following its May 15 scheduled hardfork upgrade.
Following Bitcoin Cash's hardfork upgrade, an attacker exploited a vulnerability in the update that added invalid transactions to the pool of unprocessed transactions.
One source claims these were "Poison" transactions that made it so miners were unable to participate in mining.
"Since most other miners were offline at the time due to the exploit, BTC.TOP controlled over half of the Bitcoin Cash network hash power, allowing them to determine which blocks were accepted by the network," said Guy Swann, host of the Cryptoconomy Podcast.
During the chaos, BTC.TOP-potentially in collusion with another dominant mining pool, BTC.com-conducted a "Non consensus re-org." There are claims that the move constitutes a 51% attack on the Bitcoin Cash blockchain.
The actions were said to have been motivated by the reclamation of previously unspendable BCH. A prior update on Bitcoin Cash made it so coins sent to particular addresses were unspendable.
"This upgrade will make an exemption for these coins and return them to the previous situation, where they are spendable any miner can take the coins," stated the Bitcoin Cash GitHub.
An unknown miner then attempted to claim these previously unspendable coins, said Aaron van Wirdum, technical editor at Bitcoin Magazine.
If verified, this could prove a major blow to Bitcoin Cash.
"This basically kills any perception that Bitcoin Cash is 'decentralized, censorship-resistant money," said Swann.
Bitcoin Cash reportedly suffered a 51% attack, transactions reversed
gepubliceerd op May 24, 2019
by Cryptoslate | gepubliceerd op Coinage
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