{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"To cope with the database load, how should the scale of the validation nodes and database nodes be adjusted?","a":"Optimize database schema and queries: Refactor the  database schema and optimize queries to improve the efficiency of data access."}]}],"pr":"98b933b763ec703897f77d551bb70efd466054858d749e16580d3d528dbfac3d"}