Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to the wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://setbookmarks.com/story18960561/bip39-wallets-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled