{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in the digital advertising industry?","a":"Preventing digital advertising fraud: Blockchain technology can ensure the authenticity and credibility  of data during the advertising placement process, such as click-through rates, page views, and other indicators, thereby reducing advertising fraud and protecting the interests of advertisers."}]}],"pr":"aa56e2f2d56c591868ef35714b4d6bcd655daeea0d6d2b1bb4a3e53c986c3141"}