{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain enable value exchange and transfer?","a":"Data in  the hands of individuals: Blockchain technology allows users to possess and control their own data, which means that the ownership and control of value assets return to individuals, enhancing value exchange."}]}],"pr":"5a7e0ff24b5790ccd47fb38e1163d4b0caca14a1bded5a30f6adceda11ecca7e"}