Bip39 recovery seeds https://files.fm/u/2eemhhak2q#design Though it makes use of BIP32 system you are able to still import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Edition which some wallet use for that technology of seeds. Want to examine which wallets assistance the BIP39 mnemonic recovery seed phrase? https://giphy.com/channel/ebliciwsah