Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security on your wallet that works together with your seed phrase to encrypt and safeguard your wallet. https://bookmark-dofollow.com/story23365434/bip39-wallet-https-linktr-ee-bip39-not-known-details-about-bip39-list