{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problems of data security and privacy protection?","a":"Consensus mechanism: Blockchain networks employ consensus mechanisms, such  as proof of work (PoW) or proof of stake (PoS), to reach agreement on the state of the network"}]}],"pr":"357fc976f43b785f658ac1acf9d2e3ec71fd76310034cf1815f30cb5c658b6aa"}