U4 · Topic
Hardware wallets
Hardware wallets are a textbook case of isolating a signing key from a hostile host. This area looks at them purely as security engineering: seed generation, secure elements versus general-purpose microcontrollers, trusted displays, supply-chain attacks and backup design. No investment advice.
- Secure element
- BIP-39
- Air-gap
Guides in this topic
- How hardware wallets protect keys: the security model
A security-engineering look at hardware wallets: seed generation, secure elements versus microcontrollers, trusted displays, air-gapped signing, supply-chain attacks and backup design.