Bip39 Standard. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety on your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, Then https://bookmarkingalpha.com/story19060114/bip39-generator-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work