{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions and application scenarios of the OCR (Optical Character Recognition) module in the blockchain?","a":"Application scenarios:\n\n   a. Identity verification: Blockchain platforms can use OCR technology to recognize user identity documents (such as ID  cards, passports, etc.)."}]}],"pr":"14b4ef4c605273f4b3d4a5c548032c625a26120eeffe4d71af66253cf50c5927"}