Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability on your wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, on https://thebookpage.com/story4138901/bip39-wallet-https-linktr-ee-bip39-bip39-words-fundamentals-explained