Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security towards your wallet that actually works along with your seed phrase to encrypt and protect your wallet. https://socialinplace.com/story4935607/bip39-generator-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase