Generate bip39 passphrase https://www.plurk.com/p/3hf2syltjx Regardless that it uses BIP32 strategy you are able to however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use to the era of seeds. BIP39 enhances wallet protection by producing backups trustworthy, straightforward, and proof https://socialbuzzfeed.com/story6167755/bip39-how-many-combinations-indicators-on-bip39-ian-coleman-you-should-know-https-t-me-bip39-chat