Bip39 Wallet. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, during 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, on https://bookmarkquotes.com/story18778298/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-secrets