Bip39. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection on your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, https://cheapbookmarking.com/story19089067/bip39-wallet-https-linktr-ee-bip39-not-known-details-about-bip39-wallets