Which ancient civilization invented the first documented retail security system using clay seals (bullae) to prevent tampering with merchandise and detect unauthorized access to trade goods?

Before digital threats and cyber attacks, ancient civilizations had their own methods of securing marketplaces and protecting valuable trade goods. These early 'retail security' approaches laid the groundwork for modern loss prevention techniques. Test your knowledge about how ancient merchants and marketplace administrators protected their commerce systems from theft, counterfeit goods, and marketplace disruption.

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Ancient Mesopotamia (specifically Sumerians, circa 3500 BCE)
Ancient Egypt (New Kingdom period, circa 1550 BCE)
Ancient China (Shang Dynasty, circa 1600 BCE)
Ancient Greece (Mycenaean period, circa 1400 BCE)