{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain?","a":"Financial and tax applications: Blockchain technology can be  used in financial and tax fields to improve transaction security and efficiency, prevent fraud, and lower costs."}]}],"pr":"a3d5ec33a2f9490592a914ce69416d82f783da965af9ca21c0cfadb09e44c58d"}