{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the application of blockchain in supply chain traceability improve product quality management?","a":"Strengthening supply chain trust: Due to the immutability of blockchain, any person without authority cannot change the data recorded in the blockchain. This enables all parties involved in  the supply chain to conduct business more trustingly and reduces the cost of trust."}]}],"pr":"1f996bdccc66134ceee739007036a673d797567545a481a68641e31cc5122258"}