Wei Dai's 1998 proposal for anonymous distributed electronic cash using proof of work and collective accounting.
b-money is best understood as part of a system rather than as an isolated definition. Its related coordinates show the mechanisms, incentives and historical records that give the term practical meaning.
b-money belongs to the documented history and social layer around Bitcoin. Primary records can establish what was published, built or decided; motives, influence and later interpretation should remain separate from those verifiable facts.
Understanding b-money helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.
For the clearest picture, read this entry together with Wei Dai, Proof of Work, Cypherpunks, Bitcoin Whitepaper. The reverse links also lead from Wei Dai, The Genesis Book.
Linked to related atlas coordinates
Grounded in a source record
Explains function and trade-offs
Part of the open Bitcoin knowledge graph