{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve existing trust issues in the real world?","a":"Immutability of data: Each block  contains the hash value of the previous block, forming a chain-like structure. Once the data in a block is altered, it will cause the hash value of subsequent blocks to change as well. This ensures that once data is recorded on the blockchain, it cannot be tampered with or deleted."}]}],"pr":"4bd14e289dbeefde58d2dd47a016a3450f81b91ceca8858d20e4fb8e6635026a"}