{"version":1,"address":"12QK3cLN88g5no4HchKdkcFfqZP5VhtJJ3","encoding":"P2PKH (1)","structurally_valid":true,"findings":[{"source":"coinbase-pools:ckpool","title":"ckpool reward address (coinbase-extracted)","detail":"Received block rewards as part of ckpool's coinbase output across 16 block(s) between heights 507708 and 538597. Attribution derived from on-chain coinbase scriptSig tag matching plus Jameson Lopp's blocks.csv mapping; this is hard evidence the address received pool rewards under that pool's signature, not clustering inference.","badge":"mining-pool","badge_style":"info","href":"/lists/mining-pools"}]}