Bip39 Tool. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, https://tbookmark.com/story19402218/bip39-https-linktr-ee-bip39-bip39-words-fundamentals-explained