Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability to your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, on https://bookmarksurl.com/story4209050/bip39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting