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Bitcoin Fees Hit ATH, Transactions Slow Down after China Explosion

Simon Chandler
Last updated: | 3 min read

Bitcoin (BTC) transaction fees have hit an all-time high after an explosion in Xinjiang, China, drove miners offline last week.

Source: Adobe/agnormark

According to data from BitInfoCharts, the average (mean) fee is now USD 58.42, eclipsing the former record of USD 55.16 set in December 2017.


The drop in hashrate, which coincided with the increase in BTC mining difficulty, has caused a rise in unconfirmed transactions, resulting in an upsurge in fees as users outbid each other to have their transactions sent to the front of a fast-growing queue.

And with Bitcoin’s automatic difficulty adjustment not due to take place for around 11 days, these new record fees may persist for some time yet.

Bitcoin transaction fees hit new heights

While mean Bitcoin network fees are at an all-time high, median fees have hit a three-year high of USD 26.89, per the same data compiler. That – in the current market – is equivalent to roughly BTC 0.00049.

This figure is still relatively high, and has been caused mostly by a blackout in Xinjiang.

Alex Zhao, the CEO of Standard Hashrate Group, explained that miners in Xinjiang would likely be out of action for at least a week.

He said,

“A malfunctioning substation exploded in an industrial development zone designated to receive electricity utility fee abatement. This triggered a mandatory week-long shutdown and a safety inspection of the entire industrial development zone, which currently hosts a significant portion of Bitcoin hashrate.”

Accounts of just how far Bitcoin’s hashrate fell following the Xinjiang gas explosion vary. Data from BitInfoCharts indicates that it has plunged by as much as 37.5% since April 15, although analysts who have studied data from mining pools suggest that the fall may actually be closer to the 20% mark.

7-day average. Source:

Either way, the effect is noticeable, as indicated by the number of unconfirmed transactions in the Bitcoin mempool. Dipping as low as 47,000 on April 15, the number rose to around 136,000 on April 18, and currently sits at 117,000.

7-day average. Source:

Ongoing disruption

The disruption is likely to continue in the short term.

“I’ve personally had a BTC transaction pending for the last nine hours, with no confirmation in sight. This is not fun,” Mati Greenspan, Founder of Quantum Economics, wrote in his newsletter yesterday. “Unless we see a quick recovery in the hash rate, it seems safe to say that things are gonna be a bit slow for a while.”

The mining difficulty of Bitcoin is adjusted around every two weeks (or more precisely, every 2016 blocks) to maintain the normal 10-minute block time. The 7-day simple moving average block time on April 19 was more than 12 minutes.


In the longer term, some figures within the industry are looking forward to a future where Bitcoin becomes less reliant on Chinese hashpower.

Barry Silbert, the Founder and CEO of the Digital Currency Group, championed non-Chinese mining pools on Twitter, claiming they would provide the “diversity” the industry “needs.”

According to the Cambridge Bitcoin Electricity Index, China’s share of the Bitcoin hashrate declined between 2019 and 2020, falling from 75% in Q3 2019 to 65% in Q2 2020 (the latest period for which it provides data).

This gradual decline may well have continued into 2021, with new mining pools such as Foundry USA, SBI Crypto and others coming online over the past year.

Learn more:
Ethereum Fees Decline as Analysts Point to Bots as Cause
A Closer Look at the Environmental Impact of Bitcoin Mining
New Bitcoin Mining Giant Emerging in US With USD 651M Deal
Proof-of-Disagreement: Bitcoin’s Work vs. Ethereum’s Planned Staking
Bitcoin Mining in 2021: Growth, Consolidation, Renewables, and Regulation