Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of stability to the wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, https://livebackpage.com/story5011953/bip39-wallets-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting