Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection towards your wallet that works alongside your seed phrase to encrypt and shield your wallet. A PIN, Then again, https://bookmarkzap.com/story19473568/bip39-words-https-linktr-ee-bip39-not-known-facts-about-bip39