Bip39 mnemonic checksum https://hectorswwo172.bearsfanteamshop.com/picking-the-right-tools-for-your-bip39-generation-demands Although it uses BIP32 technique you could even now import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 Model which some wallet use to the technology of seeds. BIP39 improves wallet safety by creating backups reliable, effortles... https://socialmediainuk.com/story24758369/bip39-wallet-app-5-tips-about-bip39-checksum-you-can-use-today-https-linktr-ee-bip39