{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the emergency response measures for handling blockchain upgrades?","a":"Emergency Upgrade: When security vulnerabilities or functional deficiencies are found in the blockchain, the development team should promptly conduct an emergency upgrade to fix the problems and ensure the secure and stable operation of  the blockchain."}]}],"pr":"db2adffb6e2a671b5891c5c1413dab6aa3ac91efe29df30642973dd8ecf11120"}