{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the efficiency of big data storage and processing?","a":"Consensus Mechanism: Blockchain employs a consensus mechanism to  validate and confirm transactions, ensuring data accuracy and reducing the risk of data manipulation."}]}],"pr":"7fe15f58bb4b9c9cd1aff04e7100eb3a4f8d745f1532f2939ed81d25e4651038"}