{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What operations are allowed by the system programs in a blockchain?","a":"Encryption: Blockchain uses encryption technology  to protect the security and privacy of the data stored in the system."}]}],"pr":"5371128c9a331f8104aea231e3d6617e828ef3c590437515bb09bf54382e4196"}