Jack Dorsey

BuilderCryptob. 1976· American

Co-founder of Twitter and of Block, whose stated purpose is building technology for economic empowerment. Under his leadership Block brought bitcoin to Cash App's tens of millions of users, ships the Bitkey self-custody wallet and Proto mining tools, and funds open-source bitcoin developers through its Spiral arm. He champions bitcoin as the native currency of the internet and backs censorship-resistant protocols from Nostr to bitchat, his Bluetooth-mesh messenger.