{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology handle the upload and synchronization of off-chain data?","a":"Efficient data transmission protocols: In order to improve the speed of data upload and synchronization,  blockchain technology adopts efficient data transmission protocols such as HTTP/2, WebSocket, etc., to achieve fast and reliable data transmission."}]}],"pr":"94dd1e146171af831cb8b8b75816db0bc20c1209b6c5aa45edf48f744f16d82e"}