{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the scalability issues of blockchain?","a":"Implementing sidechains (Sidechains): Sidechains are independent  chains connected to the main chain, which can achieve interoperability with other blockchain systems, thereby improving scalability."}]}],"pr":"7012952460e75810b5eb4290b7a2baab59e54d6b152732517c79b51a1360ad4c"}