Coldcard Destroys Vulnerable Firmware Inventory, Advises Affected Users to Migrate Funds

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Bitcoin news: Coldcard, a Bitcoin hardware wallet provider, announced on August 3 that it has destroyed remaining inventory of devices with vulnerable firmware and halted all shipments. The company stated that some users lost funds over the past three days and has been reaching out to assist with transferring remaining assets. Coldcard confirmed that new mnemonics are secure following a firmware update, but older ones remain at risk. Users are advised to create new wallets and move their funds. On-chain reports indicate that Satscard, Opendime, and Tapsigner are unaffected. Coldcard urged affected users to retain their devices for potential future recovery.

ChainThink reports that on August 3, Coldcard, a manufacturer of Bitcoin hardware wallets, announced on X that it has destroyed all remaining inventory of COLDCARD devices produced with vulnerable firmware and has suspended shipments.

The official statement says that some users' funds were affected over the past three days. Since last Friday, the team has been actively contacting customers to assist with transferring still-secure funds and providing recovery guidance.

Coldcard states that the released patch firmware prevents newly generated mnemonics from being affected, but older mnemonics generated on vulnerable firmware remain at risk; users should create a new wallet and migrate their funds.

The official statement indicates that Satscard, Opendime, and Tapsigner are unaffected; users affected are advised to retain their devices to assist with subsequent recovery efforts.

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