Bip39 length https://zanevnex175.lowescouponn.com/practical-use-a-python-based-bip39-seed-generator-in-the-real-world While it takes advantage of BIP32 process you'll be able to even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 There is certainly BIP44 version which some wallet use with the technology of seeds. Vault12 could be the pioneer in copyright inheritanc... https://atavi.com/share/xbwf7vz16jgof