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According to Coindesk
It was reported on August 5 that the total computing power of the Bitcoin blockchain hit another record. According to data from mining service operator BTC.com, the average hash rate of Bitcoin mining has increased to 71.43 over the past two weeks from 64.49EH/s on July 23.
EH/s. At 2:52 a.m. UTC on Monday, Bitcoin adjusted its mining difficulty at block height 586672, adding 6.94 new hashrate since mid-July.
EH/s, up 10.78%.

Bitcoin mining difficulty is a measure of how easy it is to mine new blocks on the Bitcoin mainnet. Bitcoin software adjusts the mining difficulty every 2016 blocks (approximately 14 days) to ensure that the generation time of each block in the next cycle can be maintained at about 10 minutes.

Assume that the above-mentioned newly added 6.9 EH/s computing power comes from powerful ASIC mining machines, such as the recently launched Bitmain Antminer S17 or MicroBT’s WhatsMiner
M20S, the mining rate of both mining machines has reached 55
TH/s. This means that in the past two weeks, more than 100,000 ASIC mining machines may have joined the ranks of mining. Furthermore, considering that these products sell for at least $2,000 each, this represents approximately $200 million in revenue for large mining rig manufacturers.

Since the beginning of this year, the price of Bitcoin has rebounded significantly and is expected to hit new highs. Coupled with the arrival of the rainy season in China's southwestern provinces, people's interest in Bitcoin mining has been aroused. According to reports, due to the rapid fall in electricity prices after the arrival of the rainy season, China's southwestern provinces account for more than 50% of the world's mining computing power.

Chinese miners estimated earlier this year that Bitcoin’s hash rate would exceed 70EH/s by this summer. (It should be noted that Bitcoin’s hash rate exceeded this level at some points in June this year, even reaching 80EH/s around August 1)

However, starting today, Bitcoin’s two-week average mining computing power has stood at 70EH/s for the first time. As a result, Bitcoin’s mining difficulty has also set a new record of nearly 10 trillion.

The structure of the mining machine market has undergone significant changes

At the same time that people's interest in mining began to gradually increase, the mining machine market also underwent significant changes, with mining machine manufacturers competing to produce more powerful mining equipment.

For example, Bitmain's 2018 initial public offering (IPO) prospectus stated that the Beijing-based mining giant claimed to own 70% of the world's mining machines. Now, it may face stiff competition from rivals that some believe have the ability to launch more top-notch products and bring higher profitability to miners.

Michael
Zhong was a Bitcoin mining analyst who now runs a Bitcoin mining farm. Michael said that from 2017 to 2018, Bitmain’s Antminer S9 series mining machines topped the list, followed by Canaan’s Avalon
8 series mining rig. MicroBT, the former design director of InnoSilicon, Yibang and Bitmain, was ranked in the third echelon at the time. But from January to June this year, the production capacity rankings of these mining machine manufacturers changed. Currently, MicroBT’s WhatsMiner
The M20 series tops the list, followed by Bitmain’s S17 series, followed by Innosilicon and Ebang.

According to F2pool’s mining machine profit tracker, Bitmain’s flagship mining machine Antminer S17
Pro ranks third in mining profitability, behind BitFury’s Tardis and MicroBT’s WhatsMiner
After M20S. According to advertising information on the websites of the two companies, the WhatsMiner M20S sells for about $3,000, while the Antminer S17 Pro sells for about $4,000.

The reservation orders for these flagship mining machines have been scheduled for November and December this year, but Zuoxing, the founder of MicroBT,
Yang previously told CoinDesk that the bottleneck in mining machine production capacity is whether suppliers can provide chips.

Bitmain has always relied on chips provided by TSMC, and earlier this year, the chips required for MicroBT’s flagship product were switched from TSMC to Samsung. TSMC and Samsung estimated during their recent second-quarter earnings calls that demand for cryptocurrency mining chips will recover in the third and fourth quarters of this year.