{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data privacy and security?","a":"Immutability:  Once data is recorded on the blockchain, it cannot be altered or deleted. This feature ensures the integrity of the data and prevents unauthorized modifications."}]}],"pr":"21bcdc7b116f9ade3a7e7c78968266585ba42172fdc0ec6d4379b9c4d39b30dc"}