Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety for your wallet that actually works along with your seed phrase to encrypt and guard your wallet. https://bookmarkboom.com/story19504713/bip39-mnemonic-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled