{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can computational resource abuse be prevented in blockchain?","a":"Decentralization: The blockchain adopts a decentralized network architecture, distributing computing and storage tasks across multiple nodes, avoiding the situation where a single node controls a large amount of computing resources, thereby reducing the risk  of abuse of computing resources."}]}],"pr":"d2b57dad9b2a629f012f411886de5857f986e75ee1786b6363bb7e78ead337a1"}