{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the key steps in upgrading a blockchain?","a":"Compatibility and Interoperability: Ensuring compatibility and interoperability  between different blockchain platforms"}]}],"pr":"1c4c4cd93c2f451a5cbcf6c2b157b6d5751c98de80f5aab128ee493ddcedee33"}