Bip39 seed to private key https://remingtonjszi611.almoheet-travel.com/using-python-to-create-a-bip39-mnemonic-a-designer-s-perspective Regardless that it uses BIP32 technique you are able to however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use to the era of seeds. For example, when you at first arrange your wallet https://bookmarkingalpha.com/story20000577/bip39-wordlist-english-github-the-smart-trick-of-bip39-word-list-github-that-no-one-is-discussing-https-x-com-tundra838554