Bitcoin Hashrate Approaches Full Recovery From China Crackdown

Miners set up their operations elsewhere.

AccessTimeIconDec 9, 2021 at 10:01 a.m. UTC
Updated May 11, 2023 at 6:32 p.m. UTC
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The bitcoin hashrate, a measure of computing power on the network, has almost completely recovered to its level in May, when Chinese authorities started a crackdown on the industry.

At the time, China was the biggest bitcoin miner in the world, accounting for 71% of the global hashrate, according to the Bitcoin Mining Electricity Index compiled by the University of Cambridge’s Centre for Alternative Finance.

From May to June, the global hashrate roughly halved, data from mining pool shows, as Chinese miners went dark en masse to comply with government orders. Since then, the hashrate been increasing steadily as miners set up operations overseas and North American miners deploy their mammoth operations.

In the past three days the hashrate has averaged 182.83 exahashes per second, close to the May peak of 190.55 EH/s, data from shows.

The bitcoin hashrate since April. (
The bitcoin hashrate since April. (

As the hashrate increases, the difficulty of mining a bitcoin block also increases, in order to keep the time required to mine a block fairly constant.

The difficulty decreased by 1.49% on Nov. 28 after nine consecutive days of increases, said OKLink senior researcher Eddie Wang. The drop coincided with widespread domain name service attacks on Chinese mining pools, Wang said.

Wang expects the difficulty to increase this weekend by 4%. Arcane Research’s Jaran Mellerud expects a 7% increase, citing website

But “even after that adjustment, mining is still so profitable that everyone and their grandma will want to plug in their machines as fast as possible,” Mellerud said. “It definitely looks like the hashrate will hit an all-time high before the new year, unless we get another brutal bitcoin sell-off shortly after the next difficulty adjustment.”


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Eliza Gkritsi

Eliza Gkritsi is a CoinDesk contributor focused on the intersection of crypto and AI.

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