Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security towards your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. https://bookmarkinginfo.com/story18988364/bip-39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work