Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works alongside your seed phrase to encrypt and guard your wallet. https://bookmarkinginfo.com/story18796931/bip39-generator-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery