Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety on your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A https://socialicus.com/story4188780/bip39-generator-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled