The 22 May commemoration of a 2010 purchase of two pizzas for 10,000 BTC.
Bitcoin Pizza Day 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.
Bitcoin Pizza Day 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 Bitcoin Pizza Day helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.
For the clearest picture, read this entry together with Bitcoin, Satoshi. The reverse links also lead from Laszlo Hanyecz.
Linked to related atlas coordinates
Grounded in a source record
Explains function and trade-offs
Part of the open Bitcoin knowledge graph