Bip39 algorithm https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide While it makes use of BIP32 technique you may still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 Variation which some wallet use for that technology of seeds. BIP39 simplifies essential administration by replacing prolonged cryptographic informatio... https://tinybookmarks.com/story19987282/generate-bip39-phrase-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw