Bip39. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, Then https://get-social-now.com/story4134745/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator