Bip39 passphrase generator https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide Even though it employs BIP32 strategy you can nevertheless import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use for the generation of seeds. As an example, should you originally set up your wallet and created seed https://captainbookmark.com/story19951583/bip39-download-indicators-on-bip39-ian-coleman-you-should-know-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw