Bip39 passphrase empty for none ) https://bip39marco.mystrikingly.com/ Regardless that it uses BIP32 method you may continue to import BIP39 seeds into Electrum wallet. Also apart from BIp32 You can find BIP44 Variation which some wallet use with the technology of seeds. The amount of security does a passphrase insert? A https://cyberbookmarking.com/story19777732/bip39-recovery-seed-word-list-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw