The one-time chief executive of social media giant Twitter and payments platform Square is now focused solely on Block (Square’s new crypto-themed name). Jack Dorsey is perhaps Silicon Valley’s leading Bitcoin evangelist. He’s called the cryptocurrency the “native currency of the internet,” and has worked to bring that about. Before stepping down from Twitter this year, he integrated BTC Lightning payments. His payments app, CashApp, a unit of Block, sees a tremendous amount of bitcoin buying.

Fun fact: Jack Dorsey’s first tweet, in fact the first tweet ever – “just setting up my twttr,” made on March 21, 2006 – sold as a non-fungible token (NFT) this year for over $2.9 million in ETH. Dorsey immediately converted the funds to BTC.

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