Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability for your wallet that works along with your seed phrase to encrypt and defend your wallet. A PIN, https://bookmarkzap.com/story18755417/bip39-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained