The Sat Stacker Show | A Bitcoin Podcast

← The Sat Stacker Show | A Bitcoin Podcast13 Aug · 39 min

I Asked a Hardware Wallet Engineer About the Coldcard Hack

I Asked a Hardware Wallet Engineer About the Coldcard Hack13 Aug39 min

<p>Last week a major hardware wallet failure shook the Bitcoin world. I sat down with BitBox embedded engineer Niklas Dusenlund to break down exactly what happened with the Coldcard vulnerability, why it happened, what it means for self-custody, and the lessons every Bitcoin holder should take away.</p><p>BitBox Seed Generation Guide:</p><p>https://bitbox.swiss/bitbox02/BitBox_Diceware_HowTo.pdf</p><p><br></p><p>🔐 Secure your Bitcoin with BitBox: https://bitbox.swiss/satstacker</p><p>Use code SATSTACKER at checkout for a discount</p><p>🟠 Stack smarter with the Sat Stacker app (first month free): https://satstacker.app/satstacker</p><p>📊 Strike referral — fees waived on your next $500 in trades: https://invite.strike.me/7N03AP</p><p>Value 4 Value: If you enjoyed this content feel free to zap me some sats via the lightning network: thesatstacker@coinos.io or https://coinos.io/thesatstacker</p><p>Follow:https://x.com/thesatstackprimal.net/thesatstackerhttps://www.tiktok.com/@thesatstackhttps://open.spotify.com/show/4b58uoQo9Xl7RsbsbbAqAhhttps://podcasts.apple.com/us/podcast/my-favorite-thing-about-bitcoin/id1788973938http://fountain.fm/show/YqXJoHuG6qYRBmDW1k3700:00 Intro &amp; what happened with Coldcard01:25 How predictable private keys were generated03:42 Why other hardware wallets weren’t affected the same way04:48 Dice rolls, entropy &amp; security tradeoffs10:03 How AI is changing hardware wallet security12:05 Bug bounties, audits &amp; engineering culture17:56 Could wallet collisions have happened?20:52 How the attacker likely planned the theft24:00 Passphrases, multisig &amp; who was protected25:00 Is self-custody still safe?27:55 Choosing a hardware wallet you can trust29:25 Can the stolen bitcoin ever be spent?34:39 Open source vs closed source in the age of AI37:33 Final thoughts: what Bitcoin users should do now</p>