{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the anonymity of transactions?","a":"Cryptographic protection: Blockchain technology uses  encryption algorithms (such as public keys and private keys) to encrypt and decrypt transaction information. Only the transaction parties who possess the private key can decrypt the corresponding transaction information, thereby ensuring the confidentiality of the transaction content."}]}],"pr":"e4399175e42b25a309660af3c09fa228ef6ba68af5ddc70250ed99b370999a98"}