Episode Details

The creator of SeedSigner — a former cop turned stay-at-home dad turned open-source Bitcoin developer — joins Michael Jordan to break down the ColdCard entropy bug, what it revealed about hardware wallet trust, and why NVK waged a years-long campaign against the SeedSigner project.

"Seed" explains how SeedSigner's intentional statelessness and air-gapped design minimizes the trust required from non-technical users, what actually happened with the OpenSats funding rejections, why DIY cold storage is more accessible than the Bitcoin community gives it credit for, and his strong take on why cloud-connected multi-sig solutions like BitKey are the wrong lesson to learn from the ColdCard incident.

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⏱️ TIMESTAMPS:

00:00 Intro

01:26 The Cold Card entropy bug, explained

07:35 "The most notable feature of SeedSigner is how unambitious it is"

09:02 Dice rolls, BIP39 lottery and camera entropy

12:35 Why air-gapped QR signing shrinks the attack surface

13:38 From digital forensics cop to Bitcoiner

17:01 SeedSigner's origins: Specter DIY and a Raspberry Pi

25:57 A volunteer project, not a company

32:36 The NVK feud and the SeedQR criticism

38:32 Raspberry Pi firmware and supply chain trade-offs

44:03 Four OpenSats applications, four rejections

50:00 Single SeedSigner multisig vs multi-vendor multisig

1:01:03 Why "trust harder" is the wrong lesson from Cold Card

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Follow Seed on X: https://x.com/sesi_the_man

Follow Michael Jordan on X: https://x.com/theothermjordan

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