Wu Shuo learned that Cipher Mining, a Bitcoin mining company listed on NASDAQ, released an unaudited production and operation update report for April, which disclosed that its Bitcoin mining output in April was 174 BTC. However, due to business operations, it sold 350 BTC in the same month, and its current Bitcoin holdings have dropped to 855 (of which 379 BTC are used as collateral), with a hash rate of 13.5 EH/S at the end of the month.