Satoshi Nakamoto Discovered Key Bitcoin Precursor b-money Only Days Before Publishing Whitepaper

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Opinion writer Dex Calloway of the Bitcoin Institute argues that Satoshi Nakamoto's image as a solitary, all-knowing genius is contradicted by the historical email record. In August 2008, Satoshi emailed Adam Back to confirm a citation for Hashcash, and Back responded by pointing him to Wei Dai's 1998 b-money proposal — a concept Satoshi admitted he had not previously encountered. The b-money paper was added as the whitepaper's first citation just ten weeks before publication, suggesting it was discovered late rather than serving as a foundational influence. Satoshi also told Hal Finney that he wrote all the code before the paper, effectively building the system first and documenting prior art afterward. Calloway contends this timeline points to an independent but parallel inventor rather than someone who systematically surveyed and synthesized existing cryptographic literature.

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