Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, https://crossbookmark.com/story18655027/ian-coleman-bip39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39