Coldcard Aftermath: What's Next for Bitcoin Security | Jade, Passport, Trezor, SeedSigner
About this episode
A roundtable discussion among Bitcoin hardware wallet makers on the implications of the Coldcard hack for self-custody security.
Mentor Sessions Ep. 089: Bitcoin hardware wallet makers Zach Herbert, Tomas Susanka and Drew Fischer discuss the Coldcard hack, multi-sig, entropy and self-custody security. The Coldcard hack was the single biggest blow to Bitcoin self-custody yet — so four rival hardware wallet makers sat down together to figure out what it means for everyone holding their own keys. This is the conversation the industry needed. Zach Herbert (Foundation Passport), Tomas Susanka (Trezor), Drew Fischer (Blockstream Jade) and Seed from the SeedSigner team break down the fallout: what the vulnerability actually exposed, why open source alone wasn't the safety net people assumed, and the entropy/dice-roll debate that split the panel. You'll learn why multi-vendor multi-sig is emerging as the strongest defense, how entropy is really generated on these devices, and the honest trade-offs between usability and security. You'll also hear the fresh news on the Trezor fulfillment-partner data leak (disclosed August 10, 2026) and what to do if you're worried about shipping and privacy. This is a rare, candid roundtable where competitors disagree openly — and that dialog is exactly what makes it worth your…
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