{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain?","a":"Data storage: Blockchain technology has the characteristic of being tamper-proof, which can be used for storing important data to ensure the authenticity and integrity of the data."}]}],"pr":"85e27607908518e978be277e2be2296b6ba5b1d363bdb24b335f23aad4da4af6"}