According to TechFlow, on October 9, Bitmain and its mining machine brand ANTMINER attended the Bitcoin Amsterdam Summit held in the Netherlands. At the summit, Bitmain released the ANTMINER S21+ series of mining machines, of which the S21+ Hyd. has a single-machine computing power of 319T and an energy efficiency ratio of 15.0J/T, and the S21+ has a single-machine computing power of 216T and an energy efficiency ratio of 16.5J/T.