A Trezor wallet facilitates self-custody by offering secure offline storage for your private keys. It provides a user-friendly interface for transaction signing, and it guides you through the process of creating wallet backups, adding an extra layer of security.
A Trezor wallet is a hardware device that lets you store, manage, and protect your cryptocurrency. It's a type of cold storage wallet that keeps your private keys offline, making it harder for hackers to steal your crypto
https://trezor.io/