{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to handle errors when a program occurs in a blockchain?","a":"Unify error classification and logging: Classify various errors uniformly for easy analysis and troubleshooting. Additionally, record error logs, including error time, error codes, error messages, etc."}]}],"pr":"6b5818d4539c8460d260fe763dded909417b22eb5a03d55b473262692dd3b32f"}