{"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":"Enhancing advertising supply  chain transparency: Through blockchain technology, advertisers, agencies, media platforms, and users can achieve full visibility of advertising transactions, improving supply chain transparency, and ensuring the fairness and accuracy of advertising placements."}]}],"pr":"0a0cfe19c7a3e47f1cefb96e8eb623e25821a53e6655b10eb002db93436f4f17"}