Bip39 mnemonic to private key https://hectorswwo172.bearsfanteamshop.com/picking-the-right-tools-for-your-bip39-generation-demands Although it makes use of BIP32 approach it is possible to nevertheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 version which some wallet use with the technology of seeds. This tends to show you empty balances. That is https://zanevnex175.lowescouponn.com/practical-use-a-python-based-bip39-seed-generator-in-the-real-world