{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why does blockchain have high security?","a":"Decentralization: Blockchain adopts a decentralized architecture, where data storage and processing  are distributed across computers (nodes) worldwide, without a single central controller. Therefore, the blockchain system is less susceptible to external attacks such as hacker attacks or system failures."}]}],"pr":"d34c0c474e1cedab789abbf172db4a1346b3b5a66f6ea43f334b979deda11ca3"}