{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the data storage and capacity challenges in blockchain networks?","a":"Optimize chain-based data structure: Blockchain adopts a chain-based data structure, closely connecting each block to form an unchangeable chain structure. This structure helps improve  the efficiency of data storage and access while ensuring data security."}]}],"pr":"78ada0ce6276f51212f2901e4a5ed0a4b010c03f756b5ad16b4dc06ff11ae0a3"}