{"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":"978420212a97756c2aab9fcca729733aad372c90fc3c2eba80c8e663321eda6d"}