{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the OCR module in blockchain verify the signature of Oracle reports?","a":"Collecting Oracle  reports: Firstly, the OCR module needs to collect Oracle reports from blockchain or other reliable sources. These reports usually contain information about specific events or data, as well as the signature of Oracle."}]}],"pr":"62e714432d36767300198cb83dedd22c10be621994a8e727cc971491680b9134"}