Bip39 npm https://hubpages.com/@lefwenuuyr Though it works by using BIP32 technique it is possible to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 You can find BIP44 Edition which some wallet use with the generation of seeds. Exactly how much stability does a passphrase increase? A BIP39 https://social-medialink.com/story5512708/bip39-example-indicators-on-bip39-standard-you-should-know-https-linktr-ee-bip39