Bip39 algorithm https://franciscougju442.bravesites.com/entries/general/Produce-Bitcoin-Addresses-from-Seed-Every-Little-Thing-You-Required-to-Know Despite the fact that it employs BIP32 method it is possible to even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Variation which some wallet use for your technology of seeds. BIP39 simplifies key managemen... https://thebookmarklist.com/story20459835/bip39-import-detailed-notes-on-bip39-wallet-https-t-me-bip39-chat