bitcoin mining circuitry

21 Inc, the best-funded company in bitcoin, has filed a patent application with the US Patent and Trademark Office (USPTO) for a form of digital currency mining circuitry.

Bitcoin Startup 21 Inc. Files a Patent for ‘Digital Currency Mining Circuitry’
October 19th, 2015

21 Inc, the best-funded company in bitcoin, has filed a patent application with the US Patent and Trademark Office (USPTO) for a form of digital currency mining circuitry.