{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the events and handlers in the OCR module within blockchain?","a":"Image upload event: When a  user or smart contract calls the OCR module, they need to upload an image containing text information first. The OCR module will receive this event and prepare for text recognition processing."}]}],"pr":"dba3f82d9089a9b6bfeba4001e425e06d9c20e1e7056deccc7d5e8f0e5785ec9"}