OP_RETURN-based talks return 3,400 BTC to federation wallet; "white hats" keep 598.5 BTC bounty after node patches

AI Market Summary
News describes a white-hat recovery related to a federation wallet/bridge issue, where 3,400 BTC was returned after nodes were patched, with 598.5 BTC retained as a bounty. The incident highlights operational and security risk around federated custody and bridge infrastructure. Short term, it may temper confidence in related Bitcoin-side scaling/bridge implementations while reducing immediate loss uncertainty via partial recovery.
Impact level
● Medium
Affected assets
BTC/USDT-1.60%
AI Insight · BTC/USDTAI Insight
● Neutral
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Negotiations between the parties were carried out exclusively via Bitcoin OP_RETURN messages. The process concluded with 3,400 BTC transferred back to the federation wallet. The self-described white-hat group said it waited until Blockstream confirmed every bridge node had been patched; roughly four hours later, it moved the funds, retaining 598.5 BTC as a bounty.