{"version":1,"address":"12MC3KyuYnCwhr6mqH8HuMKXQP8x96forX","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 2 block(s) between heights 528272 and 532462. 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"},{"source":"walletexplorer:Bittrex.com","title":"Bittrex.com (Exchanges)","detail":"Address attributed to 'Bittrex.com' on walletexplorer.com (category: Exchanges). Balance 0.0000 BTC across 3 incoming txs; last used in block 546,339.","badge":"exchange","badge_style":"info","href":"https://www.walletexplorer.com/wallet/Bittrex.com"}]}