{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to verify if a specific matter is valid?","a":"Collect information: Collect relevant information from multiple reliable sources to ensure completeness and accuracy of the information. These  sources can include authoritative institutions, expert opinions, news reports, historical records, etc."}]}],"pr":"90b93b2f0c42b89be79a751677c9a1610e9448799b2035acaf4828cf300283ef"}