Bip39 cryptotag https://ameblo.jp/generate-bip39brooks/entry-12913353546.html Though it uses BIP32 process you could nevertheless import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Variation which some wallet use for that technology of seeds. Some wallets can import various seed phrases and a few only have one particular standard. Remember that https://bookmarklethq.com/story20064559/bip39-generator-github-bip39-compatible-wallet-an-overview-https-dzen-ru-bip39-phrase-com