Bip39 12 vs 24 https://www.storeboard.com/myrtierisaliti Even though it employs BIP32 technique you are able to still import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 version which some wallet use to the technology of seeds. BitBox02 - A successor on the BitBox series, this hardware wallet https://mediajx.com/story25425444/bip39-min-js-download-bip39-ian-coleman-for-dummies-https-x-com-tundra838554