Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security on your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, However, is https://active-bookmarks.com/story18562172/ian-coleman-bip39-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39