{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the scalability issues of blockchain?","a":"Compression solution: Use compression  algorithms to compress data, thereby reducing the amount of data nodes need to store."}]}],"pr":"1d1667c3d9f254f49de0021ac55b5411631c0457b5a78e82e4f3cd01d4712d2d"}