21 Inc Applies for Digital Currency Mining Circuitry Patent - http://www.coindesk.com/21-inc-applies-for-digital-currency-mining-circuitry-patent/

21 Inc Applies for Digital Currency Mining Circuitry Patent http://www.coindesk.com/21-inc-applies-for-digital-currency-mining-circuitry-patent/ 21 Inc, the best-funded company in bitcoin, has filed a patent application with the US Patent and Trademark Office (USPTO).