Bip39 spec https://andersonsaeu988.iamarrows.com/bip39-generator-online-the-best-devices-for-secure-wallet-creation Despite the fact that it takes advantage of BIP32 technique you could however import BIP39 seeds into Electrum wallet. Also besides BIp32 There exists BIP44 Variation which some wallet use for the era of seeds. For example, when you at first create your wallet and create... https://social-medialink.com/story5378935/bip39-to-private-key-the-single-best-strategy-to-use-for-bip39-recovery-tool-https-linktr-ee-bip39