{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How fast do smart contracts execute in blockchain?","a":"Blockchain network congestion: When there is a large volume of transactions in the blockchain network, the execution speed of smart contracts may be slowed down because nodes need to process a large amount of transaction data, causing network congestion and thereby reducing the execution speed  of smart contracts."}]}],"pr":"ac63361eaff50a86ccd1741bbd224839fd9e90f4a4fdd298162a429da52851ce"}