Helsinki played host to the first Bitcoin for fiat transaction in 2009 — 5050 Bitcoin for $5 — 6 months before Pizza Day. Crypto City Guide.
5,050 Bitcoin for $5 in 2009: Helsinki’s claim to crypto fame [cointelegraph]
Helsinki played host to the first Bitcoin for fiat transaction in 2009 — 5050 Bitcoin for $5 — 6 months before Pizza Day. Crypto City Guide.