Which innovative supply chain technology did Silk Road merchants develop around 200 BCE to ensure product authenticity and track goods across vast distances?

The Silk Road wasn't just a trade route—it was the world's first sophisticated supply chain network connecting East and West. Beyond silk, this complex commercial highway transported ideas, cultural practices, and revolutionary retail concepts across civilizations. Test your knowledge about how ancient merchants managed their 'brands,' established supply chains, and created customer experiences that would shape global commerce for millennia to come.

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Clay seal impressions with merchant identifiers that served as ancient barcodes
Knotted rope systems that recorded inventory quantities and destinations
Bamboo strip manifests with removable sections for each checkpoint
Colored silk threads woven into goods to identify origin and authorized sellers