{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to perform recursive testing in a blockchain?","a":"Write a recursive function: Within the smart contract, write a recursive  function that is used to solve recursive problems. For example,"}]}],"pr":"b0dc3a92c8af6ef95c66d0f5475063335cf72f012429fc6c618835c1810188c4"}