{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of distributed exchanges compared to centralized exchanges?","a":"High transparency: The transaction records in distributed exchanges are transparent and publicly available, allowing queries on the chain, which is beneficial for  preventing manipulation and promoting fair competition."}]}],"pr":"1d350164c0939f7f23a5f1ff2d7f6f29140629ab9693d159dc4e205c869283dc"}