Bip39 light standard https://www.anobii.com/en/01000289012ff9b293/profile/activity This can be why you need to create a backup of your seed phrase using metallic copyright wallet like Coinplate, which might be 100% chrome steel and BIP39 compatible. Exactly how much security does a passphrase include? A BIP39 passphrase considerably improves your Bitcoin wallet’s security. https://bookmark-master.com/story20686007/bip39-list-not-known-details-about-bip39-word-list-txt-https-x-com-tundra838554