Bip39 key https://www.symbaloo.com/mix/bookmarks-xfkm Despite the fact that it makes use of BIP32 method you may still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There is certainly BIP44 version which some wallet use to the generation of seeds. It is really very simple — if you don't stress https://kbookmarking.com/story19857281/bip39-pdf-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7