Bip39 Seed. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security towards your wallet that works along with your seed phrase to encrypt and defend your wallet. A PIN, However, https://sociallytraffic.com/story4391176/bip39-wallet-https-linktr-ee-bip39-about-ian-coleman-bip39