One of these guys sells storage solutions that allow recovery seeds to be autonomously and perpetually protected in remarkably resilient stainless steel. 🔨

The other one has been working on a new electronic cash system that's fully peer-to-peer, with no trusted third party. The main properties:

Double-spending is prevented with a peer-to-peer network.

No mint or other trusted parties.

Participants can be anonymous.

New coins are made from Hashcash style proof-of-work.

The proof-of-work for new coin generation also powers the