{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security features of blockchain technology?","a":"Decentralization: Blockchain technology adopts a decentralized approach, not relying on any centralized institutions, thus avoiding single  points of failure and attack, and improving the security of the system."}]}],"pr":"4333ea0c40e277e8656b5b0875223bf04d967be08fff2a70faca669d02348f0e"}