{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the future development directions of blockchain?","a":"Privacy Protection: As blockchain technology is applied in sensitive areas, more efforts will be made to protect data privacy and user privacy in the future, enhancing the security  and reliability of the system."}]}],"pr":"a2708c9060f8dbdf4355c8f08b2d5c89508615d79a6cceeb021df96841070f92"}