Which ancient civilization first developed a standardized product grading system for retail goods with quality seals that functioned similarly to modern blockchain verification?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail technologies and practices that shaped commerce for millennia. Many of these innovations continue to influence retail management and technology today. This trivia question explores how ancient societies tackled product development challenges using the technologies of their time. Test your knowledge of retail history in the cradle of civilization!

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The Babylonians, who used clay tablet certificates with unique markings to verify product authenticity and origin
The Romans, who implemented bronze tokens called 'tessera' to track and verify goods throughout their empire
The Egyptians, who used papyrus scrolls with hieroglyphic seals to create tamper-proof product documentation
The Phoenicians, who utilized color-coded wax seals to indicate product quality tiers in their trading networks