Which government e-procurement system was the first to implement blockchain technology for transparent contract tracking?

Test your knowledge about famous government technology procurement systems and their impact on public administration. Government procurement represents billions in spending annually, with specialized systems designed to ensure transparency, competition, and value for taxpayers. How well do you know these critical platforms that shape how governments acquire products and services?

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SAM.gov (System for Award Management)
ProZorro (Ukraine)
TED (Tenders Electronic Daily - EU)
GeBIZ (Singapore Government Electronic Business)