Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security to your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A https://socialtechnet.com/story4099179/bip39-generator-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work