{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the typical use cases of blockchain technology?","a":"Financial sector: The application of blockchain technology in the financial sector mainly includes digital currencies, payment systems, cross-border remittances, securities trading, etc. For example, Bitcoin is a digital currency based on blockchain technology that can effectively reduce transaction costs and improve transaction efficiency."}]}],"pr":"d535b438627b26aa48b53c6cf87b9b49f8dd444ecaf49b17babb6d6a6a11addc"}