{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve data security and privacy issues?","a":"Decentralization: Blockchain adopts a distributed node consensus mechanism, whereby data does not rely on  a single central authority for management, thereby reducing the risk of data breaches."}]}],"pr":"89b4a601fcd91bac04b5d35b78a63445152a8ed06cff94a9acca4722ffbda039"}