{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain improve the security of digital identity authentication?","a":"Data cannot be tampered with: Once data is verified and encrypted in the blockchain, it is difficult to tamper with. This means that digital identity authentication carried out in the blockchain is more secure and reliable, as it prevents unauthorized modifications or falsification of data."}]}],"pr":"8695da9444994fee2719464b8200b95f744c5d46eac5a15e396dc8a81e70c91c"}