Bip39 Word List Numbers. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. https://bookmarkinglog.com/story18790965/bip39-https-linktr-ee-bip39-not-known-facts-about-bip39