Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security on your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, However, is https://thefairlist.com/story8905493/bip-39-https-linktr-ee-bip39-bip39-generator-an-overview