In May 2019, MicroBt launched their well known Whatsminer M20 series. Whatsminer is MicroBt's Bitcoin mining hardware brand with an ASIC Plug & Play Mining design sold by MicroBt. The Whatsminer M21s mines Bitcoin(BTC) or Bitcoin Cash(BCH) immediately and helps miners jump into the new digital currency rush.

Seen as the ultimate win-win, successful reproduction of the earlier models of the Whatsminer M10 series, the products consisted of the M20, M21, M21b, M20s, and M21s, all adopting Samsung 8nm chip, and releasing MicroBt’s new logo, which has more features and is more characteristic.

Founded in 2016, Shenzhen Bit Microelectronics Technology (Also Known as MicroBt) is one of the leading Application Specific Integrated Circuit (ASIC) producers. The company is into the production and design of high-end 28nm/16nm/7nm working chips and provides developments/assistance in fields such as blockchain technology, cloud computing, and artificial intelligence.