Thursday marks the 15th anniversary of the first known use of ... mining bitcoin has become a highly competitive field with multi-billion-dollar companies using specialized computers in entire ...

Thursday marks the 15th anniversary of the first known use of ... mining bitcoin has become a highly competitive field with multi-billion-dollar companies using specialized computers in entire ...

Billion Dollar Pizza? Bitcoin Soars on Key Anniversary of Crypto's Growth It’s not an official holiday – yet – but for many cryptocurrency enthusiasts “Bitcoin Pizza Day” is still special.