Bip39 Online. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety for your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, on https://cyberbookmarking.com/story19533197/bip39-wallet-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list