{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What problems does blockchain technology solve?","a":"Transparency and traceability: The data in the blockchain is linked in a chain structure in chronological order, allowing each data block to contain the hash of the previous block. This ensures that the data can be traced back to its source and maintains the integrity of the entire blockchain."}]}],"pr":"74dc386bcd6f88762e49f57beb7be4aae9f6c9e87960142df38bdee9f7557d1d"}