Semisol is not the first individual specializing in secure element implementation to arrive at the conclusion that nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl is one of the best approaches to private key management available.

Stateless, air-gapped DIY using commodity hardware & reproducible FOSS software is a legit security approach that mitigates the privacy leaks, supply chain risk, and other trust issues that accompany retail hardware wallets.

nostr:note1fg7mlndl49svh2jkj2cqylemzy48739v9txwktawzah90gku3n7s979rm8

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Discussion

There are many models, but primarily the stateless model which delegates key responsibility, and a vault model where the HWW is a “safe” for the keys.

SeedSigner is one of the few that have properly implemented the stateless model in an easily accessible way *and is clear about tradeoffs*.

In the vault model, only Ledger has gotten close but they are still not there yet in terms of usability, or the fact that they require a proprietary app, or Ledger Recover.

Spot on with SS

What are the risks presented by the cold card model? As that has been pushed far and wide by the influencer crowd?

How does Bitkey rank in this discussion in your opinion?