{"id":"ux_1u1bq97","type":"EXCHANGE_FLOW","severity":62,"tier":"NOTABLE","headline":"UPBIT: 52.21 BTC IN","detail":"52.21 BTC across 3 transactions over 2h 49m just moved into addresses publicly attributed to Upbit cold wallet (attribution: On-chain attribution to Upbit cold storage (~73,715 BTC); corroborated by explorer labels). The attribution is public documentation, not a SENTINEL measurement.","metrics":[{"label":"ENTITY","value":"UPBIT"},{"label":"FLOW","value":"INFLOW"},{"label":"TOTAL MOVED","value":"52.21 BTC"},{"label":"TRANSACTIONS","value":"3"}],"subjectKind":"tx","subjectId":"10ebcdcf7b6a7abdc1d3304a33b9e6cad9f1a81fd15366d5443a7c8c72e43c6f","source":"mempool.space","provenance":"INFERRED","detectedAt":1791805480,"lastSeenAt":1791815606,"flow":{"entityShort":"UPBIT","entityName":"Upbit cold wallet","logo":"🔵","kind":"exchange-cold","direction":"INFLOW","totalBtc":52.21116788,"txCount":3,"windowMinutes":169,"counterparty":null,"citationUrl":"https://news.bitcoin.com/inside-the-top-12-bitcoin-addresses-who-holds-1-35-million-btc/"}}