Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security to your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://bookmarkingalpha.com/story18780961/bip39-words-https-linktr-ee-bip39-bip39-generator-an-overview