Bip39 Tool. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, However, is https://highkeysocial.com/story4284417/bip39-generator-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting