Bip39 passphrase github https://rentry.co/p68weyby Though it makes use of BIP32 process you can still import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use to the era of seeds. Vault12 could be the pioneer in copyright inheritance management. Enjoy our explainer video https://sergiouwfc622.fotosdefrases.com/exactly-how-to-generate-a-bip39-seed-a-step-by-step-guide