{"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":"c204baa5bd6527f131dbeb13b176a29915639c8c6e5fb1fb7062e3bdb55762b6"}