{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain protocols compare different protocols?","a":"Data storage and transmission mode: Different blockchain protocols have different data storage and transmission modes, such as some protocols use distributed storage, while others use centralized storage. Distributed storage is more fault-tolerant and secure than centralized storage."}]}],"pr":"44f6953433dd320d3694a4f370a60de240f04bf8f7cf240ba2983f6f9b3683d6"}