{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What potential issues can arise when detecting data duplicates in a blockchain?","a":"Demand for efficient algorithms: To efficiently perform data duplicate detection  in blockchain, an algorithm that can find duplicate data in a short period is required, which poses a certain challenge."}]}],"pr":"6882f8efbd10f3d982c798ca30514a026d9578f27079a3a392e20ea3dc88feef"}