Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://bookmarkeasier.com/story18614979/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator