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COLDCARD Attack Explained Simply with Rob Hamilton episode artwork

Jul 31, 2026 22 min

COLDCARD Attack Explained Simply with Rob Hamilton

from Natalie Brunell's Coin Stories Hosted by Natalie Brunell

In this urgent PSA episode of Coin Stories, Natalie Brunell sits down with Rob Hamilton, co-founder and CEO of AnchorWatch and one of the first people to analyze the ColdCard seed hack on-chain, to explain what happened and what ColdCard users need to do right now. We cover: Which ColdCard models and firmware versions are affected Why the seed phrases became guessable in the first place, explained with no jargon Why moving your seed onto another manufacturer's device does not remove the risk What to do ASAP, step by step, including the test transaction people skip when they're panicked Follow Rob Hamilton at https://x.com/Rob1Ham - his DMs are open. ---- Order Natalie's new book "Bitcoin is For Everyone," a simple introduction to Bitcoin and what's broken in our current financial system: https://amzn.to/3WzFzfU ---- Ledn is the global leader in Bitcoin-backed loans, issuing over $10 billion in loans since 2018, and they were the first to offer proof of reserves. With Ledn, you get custody loans, no credit checks, no monthly payments, and more. Get .25% off your first loan, learn more at https://www.Ledn.io/natalie ---- Speed is my go-to Bitcoin Lightning wallet! Send, receive, or swap stablecoins and digital gold into Bitcoin in one app. Run a business? Speed powers Bitcoin payments for Steak 'n Shake, and it can do the same for you. ---- Abundant Mines is a fully-managed Bitcoin mining in the U.S. You own the miners. You keep 100% of the Bitcoin. Voted #1 mining company by peers. Get 1 month of free hosting: AbundantMines.com/Natalie ---- Natalie's Bitcoin Product Partners: Master your Bitcoin self-custody with 1-on-1 help and gain peace of mind with the help of The Bitcoin Way: https://www.thebitcoinway.com/natalie With BitcoinIRA, you can invest in bitcoin 24/7 inside a tax-advantaged IRA. Choose a Traditional IRA to defer taxes, or a Roth IRA for tax-free withdrawals later. Take control of your future with BitcoinIRA: https://www.bitcoinira.com/natalie Natalie's Upcoming Events: The best time to plan for Bitcoin 2027 is right now. Extra Services to Consider: Protect yourself from SIM Swaps that can hack your accounts and steal your Bitcoin. Join America's most secure mobile service, trusted by CEOs, VIPs and top corporations: https://www.efani.com/natalie Ditch your fiat health insurance like I did four years ago! Join me at CrowdHealth: www.joincrowdhealth.com/natalie ---- This podcast is for educational purposes and should not be construed as official investment advice. Ads in this episode are baked-in and may reference promotions or offers that are no longer available at the time of listening. ABOUT COIN STORIES & THE NEWS BLOCK Natalie Brunell's content features conversations with leading voices in Bitcoin, economics, finance, and technology, exploring the future of money and how it impacts our lives. CONNECT WITH NATALIE Read Bitcoin is for Everyone: https://www.talkingbitcoin.com/freechapters Subscribe to the free newsletter: https://thenewsblock.substack.com Watch on YouTube: https://www.youtube.com/nataliebrunell Watch on Rumble: https://rumble.com/NatBrunell Follow Natalie on X: https://www.x.com/natbrunell Website: https://www.talkingbitcoin.com PARTNERSHIPS & INQUIRIES Interested in sponsoring Coin Stories? Contact [email protected] DISCLAIMER This podcast is for informational and educational purposes only and does not constitute financial or investment advice. Guest views are their own and do not necessarily reflect those of Natalie Brunell or the show. Paid partnerships, sponsorships, and affiliate relationships are disclosed where applicable. Natalie Brunell may earn commissions from purchases or sign-ups through certain links, at no additional cost to you. Always conduct your own research before making financial decisions.

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In this urgent PSA episode of Coin Stories, Natalie Brunell sits down with Rob Hamilton, co-founder and CEO of AnchorWatch and one of the first people to analyze the ColdCard seed hack on-chain, to explain what happened and what ColdCard users need to do right now. We cover: Which ColdCard models and firmware versions are affected Why the seed phrases became guessable in the first place, explained with no jargon Why moving your seed onto another manufacturer's device does not remove the risk What to do ASAP, step by step, including the test transaction people skip when they're panicked Follow Rob Hamilton at https://x.com/Rob1Ham - his DMs are open. ---- Order Natalie's new book "Bitcoin is For Everyone," a simple introduction to Bitcoin and what's broken in our current financial system: https://amzn.to/3WzFzfU ---- Ledn is the global leader in Bitcoin-backed loans, issuing over $10 billion in loans since 2018, and they were the first to offer proof of reserves. With Ledn, you get custody loans, no credit checks, no monthly payments, and more. Get .25% off your first loan, learn more at https://www.Ledn.io/natalie ---- Speed is my go-to Bitcoin Lightning wallet! Send, receive, or swap stablecoins and digital gold into Bitcoin in one app. Run a business? Speed powers Bitcoin payments for Steak 'n Shake, and it can do the same for you. ---- Abundant Mines is a fully-managed Bitcoin mining in the U.S. You own the miners. You keep 100% of the Bitcoin. Voted #1 mining company by peers. Choose a Traditional IRA to defer taxes, or a Roth IRA for tax-free withdrawals later. Take control of your future with BitcoinIRA: https://www.bitcoinira.com/natalie Natalie's Upcoming Events: The best time to plan for Bitcoin 2027 is right now. Join America's most secure mobile service, trusted by CEOs, VIPs and top corporations: https://www.efani.com/natalie Ditch your fiat health insurance like I did four years ago! Join me at CrowdHealth: www.joincrowdhealth.com/natalie ---- This podcast is for educational purposes and should not be construed as official investment advice. Ads in this episode are baked-in and may reference promotions or offers that are no longer available at the time of listening.

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COLDCARD Attack Explained Simply with Rob Hamilton

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This episode was published on July 31, 2026.

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