Bip39 Word List Numbers. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability for your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, on https://top100bookmark.com/story19303421/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase