nunchuk_io on Nostr: The Bitcoin agent key can now live in a Coldcard Mk4/Mk5 in HSM mode. Even if the ...

The Bitcoin agent key can now live in a Coldcard Mk4/Mk5 in HSM mode.

Even if the host machine running your agent is fully compromised, the signing key stays isolated in hardware. The attacker gets nothing useful.

Bitcoin agents with bounded authority. Now with HSM-grade key security.

quoting
nevent1q…gfts

AI agents shouldn't get the full key to your kingdom.

Today we're releasing Nunchuk CLI: create a shared Bitcoin wallet with your agent, give it a spending budget, and keep the final say.

Build Bitcoin agents with bounded authority.