Bip39 Bitcoin Although it makes use of BIP32 system you could continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for the technology of seeds. Many people back up their wallet seed phrases or private keys on paper, regional https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw