Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works along with your seed phrase to encrypt and secure your wallet. A https://bookmarkchamp.com/story18737956/bip39-wallet-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work