Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability in your wallet that works along with your seed phrase to encrypt and protect your wallet. A https://thekiwisocial.com/story4087409/bip39-wallet-https-linktr-ee-bip39-bip39-words-secrets