{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application prospects of blockchain technology in art trading?","a":"Improving transaction efficiency: Through  blockchain technology, information transmission, identity authentication, contract signing, and payment settlement in the art trading process can be automated and processed in real-time, reducing transaction costs and improving transaction efficiency."}]}],"pr":"8b178bba0477f13ea93e8de8dab578b9862b9c3c715e3ca0fb150fe7b3d1dc5c"}