Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability towards your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, However, https://johsocial.com/story8981236/bip-39-https-linktr-ee-bip39-the-best-side-of-bip39