Bip39 Online. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security to your wallet that works alongside your seed phrase to encrypt and guard your wallet. A PIN, On https://ztndz.com/story21780538/bip39-passphrase-https-linktr-ee-bip39-bip39-words-an-overview