{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security requirements for blockchain technology in regards to smart contracts?","a":"Privacy protection: While ensuring transparency, smart contracts should fully protect user privacy to avoid sensitive information being exposed in the blockchain network."}]}],"pr":"3b61749be17516548ffc07d6517c0773889e49152d1281d2ba08e8d15fda87fb"}