According to ME News, on September 7 (UTC+8), Blockstream’s Bitcoin sidechain, the Liquid Network, tweeted that an attacker claiming to be a "white-hat hacker" withdrew approximately 4,000 BTC (around $320 million) from the Liquid Federation wallet. The official statement indicated that the funds were withdrawn via SideSwap PAK, but neither this key nor any other keys were compromised. Blockstream is currently attempting to contact the individual via on-chain messages. Exchanges have paused or are preparing to pause LBTC deposits and withdrawals; other Liquid assets such as USDT, DePix, and RWA are reportedly unaffected. Cross-chain bridge nodes have been temporarily shut down, and the sidechain will remain suspended until the issue is resolved. (Source: Foresight News)
Attacker withdraws ~4,000 BTC from Liquid Federation wallet; sidechain temporarily halted
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Summary
On-chain reports indicate that on September 7 (UTC+8), Blockstream’s Liquid Network disclosed that a hacker had withdrawn approximately 4,000 BTC ($320 million) from the Liquid Federation wallet. The BTC transaction data shows the funds were extracted via SideSwap PAK, with no evidence of key compromise. Blockstream is communicating with the attacker on-chain. Exchanges have suspended LBTC deposits and withdrawals, while USDT, DePix, and RWA assets remain unaffected. Cross-chain bridge nodes are offline, and the sidechain has been paused until the issue is resolved.
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