Bip39 checksum https://josuejnub341.image-perth.org/the-future-of-copyright-security-why-bip39-issues-for-every-person Despite the fact that it uses BIP32 technique you may continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There's BIP44 version which some wallet use for the generation of seeds. Push X to abort passphrase application and hold editing the passph... https://socialistener.com/story5648703/bip39-wordlist-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com