Bip39 Seed. 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 extra layer of security in your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://alphabookmarking.com/story19008187/bip39-https-linktr-ee-bip39-not-known-details-about-bip39-wallets