Which government procurement platform was the first to implement blockchain technology for transparent contract tracking?

Government procurement systems have undergone significant digital transformation in recent years. These platforms are essential for transparent and efficient public spending, connecting government agencies with suppliers and service providers. How well do you know the technological advancements in government procurement? Test your knowledge about the systems that manage billions in public funds annually.

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ChileCompra
FedBizOpps (now SAM.gov)
TED (Tenders Electronic Daily)
GeBIZ (Singapore)