{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do we need to specify gas price and gas limit during contract registration?","a":"When registering a contract, you need to specify the gas price  and gas limit, mainly because these two parameters affect the execution efficiency and cost of smart contracts in the Ethereum network."}]}],"pr":"9c6b15c071b7321913e193660243e011a22d4454b34c512d0b0f053ab178fd00"}