On August 1, a number of figures related to Ethereum Traditional (ETC) took to Twitter to tell the neighborhood of points with the ETC blockchain. Among the many first was Ethereum Basis member Hudson Jameson who stated that: “Exchanges must pause deposits and withdrawals.”
The official Twitter page of ETC and James Wo, founding father of Ethereum Traditional Labs, each confirmed the problem. A Prognosis report was quickly released to elucidate what occurred. Though the offending miner was recognized, it was not clear if it was a deliberate assault on the community.
The report added that miners ought to “Proceed mining the chain as-is,” including that any transactions issued through the earlier 12-hour interval had been probably not mined in the identical order they had been imagined to be, however they are going to be re-submitted again into the mempool.
As suggested by a mining options supplier Bitfly, a community reorganisation of 3693 blocks has taken place at block 10904146. In line with the message: “This induced all state pruned nodes to cease syncing,” suggesting a 51% assault on the community.
Reorg is a inbuilt function in a blockchain that enables to roll again the community. Nevertheless, if malicious miners safe 51% of the hashpower, they will break up the community, double spend or erase earlier transactions.
At first of 2019, a confirmed 51% attack on ETC took place, elevating issues across the Proof-of-Work mining mannequin.