{"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":"Enhancing  supply chain transparency: Blockchain technology can record every transaction in the supply chain, making every link of the product from production to consumption transparent. This not only enhances consumer confidence but also helps enterprises track product origins and effectively control quality."}]}],"pr":"7a2a529fe605dc0f329f6b8b15ff31d3469038b4ec3e913efc5985d382183f53"}