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Bitmain’s Antminer E3 Will Allegedly Stop Ethereum Mining in 1 Month

While the Ethereum network is preparing to start shifting to proof-of-stake (PoS) consensus, some mining devices might soon stop supporting ETH mining at all.

Bitmain’s Antminer E3, once the “world's most powerful” hardware for mining Ether (ETH), will allegedly stop Ethereum mining in April 2020, according to a Feb. 24 report by altcoin mining pool 2Miners.

Users started reporting a sixfold hashrate drop on Antminer E3 mining rigs on ETC pool last week

2Miners revealed the news after its team requested Bitmain to comment on the recent issues with Antminer E3 performance involving Ethereum Classic (ETC) — an open-sourced blockchain platform that derived from Ethereum hard fork in 2016 after the DAO collapse.

On Feb. 21, 2Miners started receiving first reports on significant deterioration on Antminer E3 mining rigs performance on ETC pool. According to 2Miners, some users reported a sixfold hashrate drop on Antminer E3 — from the factory-declared hashrate of 180 MH/s to as low as 30 MH/s.

Bitmain reportedly confirmed that the issue was caused by DAG growth

Following an internal investigation, 2Miners managed to find out that all global ETC pools were reported the same drop in hashrate. At the same time, Antminer E3 was still performing fine on Ethereum pools, 2Miners said. The team immediately suggested that the issue was likely to be connected with directed acyclic graph (DAG) — a file that is generated every new group of 30,000 blocks known as a mining epoch. Read More