EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton

2026-07-31 · 42 min · 21 entities

episode page audio

Asserted relationships

→ hosted by Danny Knowles person

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evidence rules-v5
Feed author/publisher: Danny Knowles
→ discusses Business company

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evidence rules-v5
Feed category: Business
→ discusses Technology company

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evidence rules-v5
Feed category: Technology
→ discusses Investing concept

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Feed category: Investing
→ references Cape company

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": CAPE https://cape.co/wbd
→ references LEDN - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": LEDN https://ledn.io/
→ references SWAN website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": SWAN https://swan.com/wbd
→ references ANCHORWATCH - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": ANCHORWATCH https://anchorwatch.com/
→ references BITKEY - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BITKEY https://bitkey.world/wbd
→ references BLOCKWARE website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BLOCKWARE https://mining.blockwaresolutions.com/wbd

Entities found in this episode

websites 10

mentioned LEDN - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": LEDN https://ledn.io/
mentioned SWAN website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": SWAN https://swan.com/wbd
mentioned ANCHORWATCH - website

0.45

evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": ANCHORWATCH https://anchorwatch.com/
mentioned BITKEY - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BITKEY https://bitkey.world/wbd
mentioned BLOCKWARE website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BLOCKWARE https://mining.blockwaresolutions.com/wbd
references LEDN - website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": LEDN https://ledn.io/
references SWAN website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": SWAN https://swan.com/wbd
references ANCHORWATCH - website

0.38

evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": ANCHORWATCH https://anchorwatch.com/
references BITKEY - website

0.38

evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BITKEY https://bitkey.world/wbd
references BLOCKWARE website

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evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": BLOCKWARE https://mining.blockwaresolutions.com/wbd

companys 6

mentioned Business company

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evidence rules-v5
Feed category: Business
mentioned Technology company

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evidence rules-v5
Feed category: Technology
mentioned Cape company

0.45

evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": CAPE https://cape.co/wbd
discusses Business company

0.40

evidence rules-v5
Feed category: Business
discusses Technology company

0.40

evidence rules-v5
Feed category: Technology
references Cape company

0.38

evidence rules-v5
Link in episode "EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton": CAPE https://cape.co/wbd

concepts 3

mentioned Investing concept

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evidence rules-v5
Feed category: Investing
mentioned Coldcard Attack Explained | Rob Hamilton concept

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evidence rules-v5
EMERGENCY BITCOIN UPDATE: Coldcard Attack Explained | Rob Hamilton
discusses Investing concept

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evidence rules-v5
Feed category: Investing

persons 2

mentioned Danny Knowles person

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evidence rules-v5
Feed author/publisher: Danny Knowles
hosted by Danny Knowles person

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evidence rules-v5
Feed author/publisher: Danny Knowles

Episode description as stored

“This is as code red as it can get for Bitcoin self-custody.” Rob Hamilton joins me for an emergency episode on the catastrophic Coldcard entropy bug that has exposed Bitcoin held in wallets generated on affected firmware. A firmware change introduced in 2021 prevented Coldcard devices from generating the level of randomness users believed they were getting. The result is that attackers may be able to reconstruct seed phrases and drain wallets, even when the device was air-gapped and the seed words never touched the internet. Rob explains which Coldcard models and setups are at risk, why updating the firmware does not repair an existing vulnerable seed, and what affected users need to do now. We also get into the risks facing single-signature and multisig wallets, whether passphrases and independently generated entropy provide protection, how attackers are finding and sweeping vulnerable wallets, and the role AI may have played in discovering the bug. THANKS TO OUR SPONSORS: <a href="https://ledn.io/?utm_source=podcast&utm_medium=partnership&utm_campaign=2025_whatbitcoindid&utm_content=ad_read">LEDN</a> <a href="https://www.swan.com/wbd">SWAN</a> <a href="https://www.anchorwatch.com/">ANCHORWATCH</a> <a href="https://mining.blockwaresolutions.com/wbd">BLOCKWARE</a> <a href="https://bitkey.world/wbd">BITKEY</a> <a href="https://www.cape.co/wbd">CAPE</a> FOLLOW: Danny Knowles: <a href="https://x.com/_DannyKnowles">https://x.com/_DannyKnowles</a> Rob Hamilton: <a href="https://x.com/Rob1Ham">https://x.com/Rob1Ham</a>