Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works together with your seed phrase to encrypt and defend your wallet. A PIN, Then https://getidealist.com/story20398420/bip39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work