Jianan Technology's self operated mining in May produced 90 BTC, and its holdings of BTC and ETH reached a new high According to PR Newswire, Canaan Technology released its Bitcoin mining and operation data for May 2026: self operated mining produced 90 BTC in the month, with an additional 24 BTC coming from customer payments. At the end of the period, the company held approximately 1867 BTC and 3952 ETH, setting a new historical high. At the end of the period, the company's self operated installation computing power was 10.05 EH/s, and the operating computing power was 6.47 EH/s. The average energy efficiency of self operated mining machines in North America increased to 17.9 J/TH, with a year-on-year optimization of about 11%. The global average energy efficiency was 23.7 J/TH, with a year-on-year increase of 13.5%.