Bip39 to slip39 https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view While it makes use of BIP32 strategy you'll be able to still import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Variation which some wallet use for your era of seeds. Just how much security does a passphrase include? A BIP39 passphrase https://socialbuzzfeed.com/story5362745/bip39-finder-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw