{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology confirm the validity of data?","a":"Distributed Ledger Technology (DLT): Blockchain technology uses a distributed ledger to record transaction data, with each block containing a certain number of transaction records. The data in the ledger is jointly maintained by all participants, ensuring transparency and openness."}]}],"pr":"863a3c92dc6a47578cf4e5732b87d449ede40b38f82846d6ebb8ea7b44a87773"}