{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of blockchain technology in supply chain management?","a":"Enhancing data credibility and security：Blockchain technology has the characteristics of being tamper-proof, distributed storage, and collective maintenance, making the data in the supply chain more reliable and authentic. By chainning relevant information and encrypting the data, the security of the data is ensured."}]}]}