Bip39 Online. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside 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 secure your wallet. A PIN, However, https://active-bookmarks.com/story19506660/bip-39-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic