Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection in your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, on https://bookmarkassist.com/story19506866/ian-coleman-bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery