{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of blockchain technology in the second-hand transaction market?","a":"Reducing transaction costs: Blockchain technology can simplify business processes,  eliminate intermediary links, and lower transaction costs."}]}],"pr":"690393ddcf9e9beb5562308992f8b3d37550e631471db126812ed569aaccf763"}