Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability to your wallet that actually works along with your seed phrase to encrypt and shield your wallet. https://cruxbookmarks.com/story19168609/bip39-list-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean