Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, On https://geniusbookmarks.com/story18844206/bip-39-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39