Bip39 implementation https://mariobrpx591.cavandoragh.org/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial BIP85: A more moderen proposal allowing for the deterministic derivation of many BIP39 mnemonic seeds from the master seed. BIP32 and BIP44 do the job with each other so as to add flexibility, privateness, and interoperability to High definition Wallets. High definition ... https://mediasocially.com/story4794147/bip39-mnemonic-checksum-helping-the-others-realize-the-advantages-of-bip39-passphrase-https-cutt-ly-uryc5rw7