Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://cyberbookmarking.com/story19047851/bip39-list-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting