Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security in your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, is https://altbookmark.com/story21283514/bip39-wallets-https-linktr-ee-bip39-an-unbiased-view-of-bip-39