Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of stability to your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, Alternatively, is https://zbookmarkhub.com/story19170068/bip39-wallets-https-linktr-ee-bip39-not-known-facts-about-bip39