Bip39 to private key https://jsbin.com/titaniseko Regardless that it works by using BIP32 process it is possible to nonetheless import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There's BIP44 Model which some wallet use for your technology of seeds. BIP39 solves this through the use of human-readable seed https://bookmarklethq.com/story20575326/bip39-to-bip32-the-smart-trick-of-bip39-word-list-github-that-no-one-is-discussing-https-x-com-tundra838554