Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability to the wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://mysterybookmarks.com/story18988811/bip39-words-https-linktr-ee-bip39-not-known-facts-about-bip39