Bip39 Tool. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety on your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, However, is https://infopagex.com/story4912396/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator