Coldcard Wallet Bug Drains 600 BTC in Ongoing Exploit
bitcointalk-600-btc-exploit-news
- Organisation
- BitcoinTalk
- Evidence role
- Community discussion
- Published
- 2026-07-31
- Source changes
- 0
- Detected differences
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- Unreviewed
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- 1
Mate2237 relaying CoinDesk's 31 July coverage of the drains at roughly 600 BTC and about 38 million dollars, and asking whether custodial wallets are really safer. The one reply points to the forum's main incident thread and restates self-custody advice. An early news-relay record of how the story first circulated on the forum. The figures are attributed to the coverage it relays, not verified here.
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Bitcoin Forum Bitcoin => Wallet software => Topic started by: Mate2237 on July 31, 2026, 09:22:35 PM Title: 馃攼 Coldcard Wallet Bug Drains 600 BTC in Ongoing Exploit. Post by: Mate2237 on July 31, 2026, 09:22:35 PM https://www.talkimg.com/images/2026/07/31/UoQyMZ.jpg Coldcard Wallet is used in the North America countries like US, Canada, in European countries like Germany, Uk and Switzerland in Asia, Singapore, Hong Kong, Japan, South Korea, Australia in Latin American Brazil, Argentina, Mexico, and in the Middle East UAE, Saudi Arabia and that is why it is popular in those countries. And people were using it because of its security of PSBT (Partially Signed Bitcoin Transactions) and it trust with custodian in nature. A software vulnerability firmware (bug) in Coldcard wallet has led to the theft of nearly 600 BTC which is approximately $38 million ongoing exploit. "The incident is raising broader questions about self-custody security and whether managing private keys is too risky for everyday investors. Analysts suggest the breach could push some Bitcoin holders toward ETFs as a custodied alternative." Is custodial wallets are realy secured? Source (https://www.coindesk.com/business/2026/07/31/coldcard-s-usd38-million-so-far-exploit-shakes-faith-in-self-custody-may-push-investors-to-etfs) Title: Re: 馃攼 Coldcard Wallet Bug Drains 600 BTC in Ongoing Exploit. Post by: Zaguru12 on July 31, 2026, 09:24:45 PM This discussion has long been on the forum since yesterday and even got pinned new sections on the forum since morning. All discussions should be on this thread I think you need to lock your thread. https://bitcointalk.org/index.php?topic=5589927.0 (https://bitcointalk.org/index.php?topic=5589927.0) Quote from: Mate2237 on July 31, 2026, 09:22:35 PM Is custodial wallets are realy secured? Self custody still remains the best choice for a wallet but still subjected to if you锟絩e doing it right. Example is going for open source, trying to generate your own seed phrase and then backing up your seed phrases proper plus passphrase too Powered by SMF 1.1.19 | SMF 漏 2006-2009, Simple MachinesExcerpt only. The complete copy is held offline and backs quotations on this site. The original publication remains the canonical public source.
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