Bip39 mnemonic to private key https://rylanmecp341.wpsuo.com/bip32-vs-bip39-which-is-better-for-your-copyright-demands BIP85: A more moderen proposal allowing for the deterministic derivation of a number of BIP39 mnemonic seeds from a learn seed. It is really easy — if you don't stress about copyright inheritance, no one else will — not your software package or hardware https://canvas.instructure.com/eportfolios/3396498/ricardooxtv236/bip39-generator-online-the-very-best-tools-for-secure-pocketbook-development