{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address the issues of data storage and management?","a":"Authentication and authorization: Blockchain  technology provides a secure and reliable way to authenticate and author"}]}],"pr":"fbebff19ce9cbc9430a0ed3aabb6d9411b0d6c485982ac8125c17bae6c0ff567"}