Bip39 Passphrase Generator. 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 towards your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, Conversely, is https://wise-social.com/story4604369/bip39-https-linktr-ee-bip39-a-review-of-bip39-words