Bitcoin White Paper Turns 18 With Payment Verification Still at Its Core

TL;DR: Satoshi Nakamoto introduced the Bitcoin paper on October 31, 2008. Eighteen years later, its central contribution remains a way to verify payment history without a central transaction ledger. Bitcoin’s white paper reached its eighteenth anniversary on October 31. The original mailing-list message survives as a compact announcement of a peer-to-peer electronic cash proposal, rather than a forecast of market capitalization or institutional demand. Revisiting that document offers a useful way to separate Bitcoin’s foundational payment mechanism from the many financial products and businesses now associated with the asset. The original problem was conflicting payment histories Satoshi Nakamoto’s October 31, 2008 message introduced a system intended to prevent double-spending through a peer-to-peer network. The paper itself combines digital signatures with a shared proof-of-work history.

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