Bitcoin · Lombard Finance · The Block
Adam Back -led Blockstream subsequently sent a PGP-signed onchain message saying, "Bridge nodes are patched
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The exchange followed an earlier message from the attacker offering to send most of the bitcoin back to the federation address.
Key facts
- Communication between the parties began after Liquid said on Sept. 6 that roughly 4,000 BTC, then worth about $320 million, had been withdrawn from its federation wallet
- The attacker who withdrew roughly 4,000 BTC from Liquid Network's federation wallet over the weekend has returned around 85% of the funds after Blockstream said its bridge nodes had been patched
- SideSwap said the affected transaction involved 4,000 LBTC sent to its peg-out service
- Adam Back-led Blockstream subsequently sent a PGP-signed onchain message saying, "Bridge nodes are patched, safe to return the funds
Summary
The attacker who withdrew roughly 4,000 BTC from Liquid Network's federation wallet over the weekend has returned around 85% of the funds after Blockstream said its bridge nodes had been patched. The purported white-hat hacker communicated with Blockstream through Bitcoin OP_RETURN messages and PGP-encrypted text. Adam Back-led Blockstream subsequently sent a PGP-signed onchain message saying, "Bridge nodes are patched, safe to return the funds. Communication between the parties began after Liquid said on Sept. 6 that roughly 4,000 BTC, then worth about $320 million, had been withdrawn from its federation wallet.