Bip39 format https://papaly.com/1/eMEf While it employs BIP32 technique you can however import BIP39 seeds into Electrum wallet. Also aside from BIp32 There's BIP44 Edition which some wallet use for your technology of seeds. Want to check which wallets guidance the BIP39 mnemonic recovery seed phrase? Go through the short article https://pixabay.com/users/51089543/