{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The main problems that blockchain needs to solve are:","a":"Insufficient scalability: When facing increasing users and transaction volume,  blockchains struggle to expand and adapt."}]}],"pr":"73723b499200c6f958f21a7ad5062a39bc3e29f3da3251fb0ad085772b1974f7"}