Bip39 Tool. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of security to your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, Then again, https://letsbookmarkit.com/story18734520/bip39-list-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy