Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, https://techonpage.com/story4029753/bip39-generator-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic