{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How promising are the future applications of blockchain in the field of healthcare?","a":"Drug Tracking and Tracing: Blockchain technology can be applied to the entire process of drug production and sales, realizing the traceability of drug  sources and combating counterfeit drugs."}]}],"pr":"1e6a6a7bb4b248258f260c5cd96da3f23d1b9d313087998af0c18fe47fb0bfa3"}