{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the methods for debugging programs on the blockchain?","a":"Use oracles to  query external data sources and verify the accuracy of the data provided by the smart contract."}]}],"pr":"5a06fe8ab6cc7f91e00f726ae32f6467ae480e317b57df62e97ac77988b8fe60"}