Bip39 mnemonic checksum https://josuejnub341.image-perth.org/the-future-of-copyright-security-why-bip39-issues-for-every-person Regardless that it employs BIP32 strategy you may continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for your technology of seeds. How much protection does a passphrase include? A BIP39 pass... https://bookmark-rss.com/story19978285/bip39-online-generator-bip39-checksum-an-overview-https-cutt-ly-uryc5rw7