Bip39 rust crate http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf BIP85: A more moderen proposal letting the deterministic derivation of multiple BIP39 mnemonic seeds from a master seed. Vault12 would be the pioneer in copyright inheritance management. Check out our explainer online video previously mentioned, or our inheritance demo now. BIP39 wallets are a new standard https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view