{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to set appropriate transaction fees in a blockchain?","a":"Gas Limit: The gas limit is the maximum amount of gas that a transaction is willing to pay  for. Setting a reasonable gas limit can ensure"}]}],"pr":"ebdeff870a0f753257679e69408cc9075d02ca3f19e002ffa7776aa1627e1c4e"}