{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain address network congestion and transaction delay issues?","a":"Increasing communication frequency between nodes: By increasing the communication frequency between  nodes, reducing transaction delays to a certain extent and improving the network performance of the blockchain."}]}],"pr":"63053e00e1110167dc7ba9f451520486422bfd1b85df164b93798898f8e1a04f"}