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Liquid Network Recovers 3,400 BTC After Bridge Exploit
On Sunday, hackers withdrew roughly 4,000 Bitcoin worth about $320 million from the Liquid Network federation wallet, draining about 95% of holdings and forcing the settlement system to halt new transactions.
The theft occurred through SideSwap, a platform authorized to process withdrawals from Liquid, rather than through theft of a cryptographic key; Liquid confirmed no Peg-out Authorization Keys were compromised.
Identifying themselves as "purported white-hat hackers" in a blockchain message, the attackers contacted Blockstream and pledged to return "most" of the Bitcoin once the network's underlying vulnerability is fixed.
Liquid disabled its bridge nodes while federation members investigate, asking exchanges to suspend L-BTC deposits and withdrawals; other assets including USDT were not affected by the breach.
There is no indication the Liquid breach is connected to state-backed actors, distinguishing it from other major cryptocurrency thefts; the incident reminds users that adding Bitcoin does not guarantee security.