{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the scalability issues of blockchain?","a":"Optimize consensus algorithm: By improving the consensus algorithm, increase the efficiency of blockchain consensus in congested situations, thus  solving the expansion issue."}]}],"pr":"bebfbc391d3b3cd32359ea3a97d23bd5b28c13f45c7496546da43cfdd4df0b73"}