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 on your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, is https://bookmarkpagerank.com/story18683501/bip39-passphrase-https-linktr-ee-bip39-an-unbiased-view-of-bip-39