Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to the wallet that works together with your seed phrase to encrypt and defend your wallet. A https://bookmarkspy.com/story20045008/bip39-word-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained