Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability to your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, https://atozbookmark.com/story18692214/bip39-words-https-linktr-ee-bip39-about-ian-coleman-bip39