Bip39 Mnemonic. It really is easy — if you don't worry about copyright inheritance, nobody else will — not your program or hardware wallet vendors, not your exchanges, and not your prosperity supervisors. What constitutes a "very good wallet" is one which has very clear, straightforward to accessibility documentation on https://fatallisto.com/story9360771/bip39-word-list-pdf-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work