{"version":1,"address":"1KMYVBvfMAUZH4gpRknxvKxbqATMAfuu4x","encoding":"P2PKH (1)","structurally_valid":true,"findings":[{"source":"patoshi","title":"Patoshi-pattern block #90 (likely Satoshi)","detail":"Coinbase output of Bitcoin block #90, mined in 2009-2010 by what Sergio Demian Lerner's ExtraNonce-slope analysis identifies as a single dominant early miner widely believed to be Satoshi Nakamoto. The 50 BTC reward at this address has not moved. Heuristic attribution; cross-validated by multiple researchers but not cryptographically proven. Last synced 2026-05-12T22:09:20.697574+00:00.","badge":"satoshi-era","badge_style":"info","href":"/sources/patoshi"}]}