Faulty Coldcard firmware lets hackers drain crypto wallets
Coldcard, a bitcoin hardware wallet, shipped a faulty firmware build, and hackers began draining affected wallets, with Galaxy Research estimating around $70 million stolen, according to reports. Coverage described users losing funds after the flawed update; the reports attributed the loss estimate to Galaxy Research without a confirmed final total.
Why it matters
A hardware wallet failing undermines the core promise of 'cold' crypto storage, spotlighting supply-chain and firmware risks.
Sources
finite. summarises the reporting above and links to each original. We do not reproduce full articles. Read the sources for complete coverage.
Part of the August 2, 2026 brief.