{"id":"ux_u5n5jc","type":"WHALE_WALLET","severity":73,"tier":"MAJOR","headline":"WHALE WALLET: 639.9 BTC SHUFFLED","detail":"639.9 BTC just moved within a whale wallet SENTINEL has watched since observing 1,138 BTC land there on-chain. Identity unknown, this is observed behavior, not an attribution.","metrics":[{"label":"WALLET","value":"bc1qefcw…k739"},{"label":"FLOW","value":"INTERNAL"},{"label":"AMOUNT","value":"639.9 BTC"},{"label":"OBSERVED SIZE","value":"1,138 BTC"}],"subjectKind":"tx","subjectId":"58f98f6ab5cf7bb95a9f3522518b19e2595d190bd47d3758364c33f6b7f17877","source":"mempool.space","provenance":"INFERRED","detectedAt":1791995317,"lastSeenAt":1792000357}