{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the contents that can be specified in the open-source license for blockchain smart contracts?","a":"Indicate whether the license agreement provides patent protection for the user, that is, whether the user can use  the patented technology without fear of legal"}]}],"pr":"707ce2cefbf63365fbfd5f3fe6e1bee0ef6f9b99e2b3942254a5b6453ec5f2cb"}