Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://thekiwisocial.com/story4205509/bip-39-https-linktr-ee-bip39-about-ian-coleman-bip39