{"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":"7003ba2c272dde625f4ea06831c5bec450fb650ec535f2e60ee697d775564768"}