Today we are revisiting one of the first papers we shared on Fermat's Library "Bitcoin A Peer-to-Peer Electronic Cash System". You can learn more about bitcoin thanks to the fully annotated version of this paper here 🧐: https://t.co/J63TQvF94R https://t.co/heOoU4R45F

The way we typically transfer physical cash has little resemblance to the way we transfer bitcoins. Physical cash is a bearer token. Alice pays Bob by handing him some number of tokens, such as dollar bills. By comparison, bitcoins don’t exist either physically or as digital data—​Alice can’t hand Bob some bitcoins or send them by email. Instead,

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