{"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":"5f7747e18aa603bc4952c7cb8ff5d15366c739ab176242d1cc893fe6bd8a8be4"}