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November 26, 2018 @ 12:26 +03:00
Between 600,000 and 800,000 bitcoin miners have shut down since mid-November amid declines in price and hashrate across the network, according to the third-largest mining pool.
In an interview with CoinDesk, Mao Shixing, founder of F2pool, said his firm’s estimate takes into account the total network hashrate drop and the average hash power of older mining machines that are having a hard time generating profits.
According to data from blockchain.info, the bitcoin network’s entire hashrate, which captures the aggregated computing power on the world’s first blockchain, has dropped from around 47 million tera hashes per second (TH/s) on Nov. 10 to 41 million on Nov. 24 – an almost 13 percent decline.
Mao explained most miners that may have halted operations are likely those using older models, such as the Antminer T9+ made by Bitmain and AvalonMiner 741 by Canaan Creative. These miners have an average hash power of around 10 TH/s and are estimated to be losing money right now, according to F2pool’s miner revenue index.
In fact, the bitcoin hashrate on F2pool, which now accounts for about 11.4 percent of the total network, has also seen a decline of over 10 percent in recent weeks, Mao said.
“It’s hard to calculate a precise number of miners connected to us that had unplugged. But we saw over tens of thousands of them [shut down] in the past several days based on conversations we had with larger farms that we are in regular contact with,” he said, adding: “This is what’s happening among miners in China.”