Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety in your wallet that actually works along with your seed phrase to encrypt and shield your wallet. A https://extrabookmarking.com/story18941579/bip39-passphrase-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list