{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection mechanisms in blockchain?","a":"Consensus mechanism: The consensus mechanism in blockchain,  such as proof of work (PoW) and proof of stake (PoS), ensures that the network remains secure and transparent, without revealing sensitive information."}]}],"pr":"984a9adb52800f31cb9f5329f653eecc92a3d6431505aed0f9642267951f86f4"}