{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the core characteristics of blockchain?","a":"Decentralization: Blockchain adopts a distributed network architecture, does not depend on centralized  servers or institutions, and reduces the risk of single-point failure."}]}],"pr":"532495ef38ee1bd1f5b9fc57cbf13e212169ee6a858b6d6efa151ef0064765e6"}