Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, https://bookmark-template.com/story23644636/bip39-mnemonic-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described