A user holds cryptocurrency on a Ledger hardware device but wants to interact with decentralized finance protocols, participate in staking, or manage NFTs without exposing private keys to internet-connected software. The problem is real: most blockchain applications require a wallet connection, and most software wallets store keys on the same device running the application. A

A cryptocurrency holder dies intestate, and their family discovers a recovery phrase written in a notebook, but without knowing which wallet software it unlocks, what networks it controls, or whether the funds have moved in the past year. A second scenario: the owner creates detailed instructions, stored in a bank safe deposit box, that describe