{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What factors affect the performance of a blockchain?","a":"Network congestion: When the transaction volume and frequency are too high  in the blockchain network, it can lead to network congestion, thereby reducing the speed of block generation and transaction confirmation."}]}],"pr":"3915ad4e7a2dcd40e509d85051eca6d0b84aefea865cecd3d2892cafeb182870"}