Bip39 Checksum. Take into consideration how to securely back up and move on the passphrase if essential: Whilst you could potentially theoretically depend upon your memory, you might want to take into account a secure backup system. At its core, a BIP39 passphrase modifies the cryptographic strategy of wallet generation. https://listbell.com/story9384664/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-words