Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of security to your wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, On https://exactlybookmarks.com/story19074563/bip39-passphrase-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic