Bip39 Tool. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety in your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, However, https://dirstop.com/story22256997/bip39-list-https-linktr-ee-bip39-not-known-details-about-bip39-wallets