Liquid Network Paused After Alleged $320 Million Bitcoin Withdrawal

Liquid Network, the Bitcoin sidechain operated by Blockstream, halted transaction processing after an unusual withdrawal of roughly $320 million worth of Bitcoin from its multisig reserve addresses. The withdrawal was publicly attributed to a white‑hat actor who said the move was intended to protect funds from a suspected security flaw.

What Happened

Liquid is a federated sidechain that provides faster settlement, confidential transactions, and asset issuance for exchanges, traders, and institutions. Unlike Bitcoin’s proof‑of‑work consensus, Liquid relies on a federation of operators to manage the bridge that locks Bitcoin on the main chain and releases it on the sidechain.

When the large withdrawal was detected, operators paused the network to allow engineers to investigate the incident and assess whether any funds remained at risk.

White‑Hat Claim

The actor behind the transaction described themselves as a white‑hat, meaning they intended to expose or mitigate a vulnerability rather than steal the assets. The claim has not been independently verified, and officials have not confirmed whether any loss occurred.

Impact on Users

During the pause, exchanges, traders, issuers, and wallet providers that rely on Liquid could not move assets or settle transactions on the sidechain. The uncertainty may affect confidence in the bridge model that links Bitcoin to Liquid.

Bitcoin Mainnet Unaffected

It is important to note that Bitcoin’s main network continued to produce blocks and process transactions normally. The incident is confined to the Liquid sidechain and does not reflect a failure of Bitcoin’s core protocol.

Next Steps

Liquid and Blockstream operators are expected to publish a detailed technical report outlining the cause of the withdrawal, the validity of the white‑hat claim, any potential fund exposure, and a timeline for resuming normal operations.