Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety towards your wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarksystem.com/story18661559/bip39-wallets-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work