{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain technology on the digital advertising business?","a":"Enhancing advertising transparency: Through decentralization, blockchain technology makes the advertising placement process more transparent, eliminates intermediate links,  and clarifies the rights and interests of advertisers, media, and users."}]}],"pr":"965ae3085d32fa96d83774c71147e334d24de81aad1ba9550a0960982466d442"}