Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works together with your seed phrase to encrypt and protect your wallet. https://baidubookmark.com/story19434806/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator