Bip39 offline https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view BIP85: A more recent proposal allowing for the deterministic derivation of various BIP39 mnemonic seeds from the master seed. This will work due to the fact BIP39 is supported by a lot of wallet makers. Consequently, don't just does BIP39 simplify wallet and crucial adm... https://socialbraintech.com/story5583839/bip39-npm-bip39-npm-no-further-a-mystery-https-linktr-ee-bip39