Bip39 Seed Phrase. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection for your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://bookmarkgenious.com/story18896624/bip39-wallets-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean