Bip32 bip39 bip44 https://files.fm/u/2eemhhak2q#design Though it employs BIP32 strategy you could however import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Model which some wallet use to the era of seeds. BitBox02 - A successor on the BitBox sequence, this components wallet supports BIP39 seed phrases https://bookmarklayer.com/story20128559/bip39-entropy-to-mnemonic-bip39-npm-no-further-a-mystery-https-t-me-bip39-chat