In the Azraq refugee camp in Jordan, Syrian refugees queue in supermarkets where cashiers are equipped with iris scanners. Once identified using biometric registration data from the United Nations High Commissioner for Refugees (UNHCR), they can spend food vouchers provided by the UN World Food Program (WFP). Food voucher transactions for 100,000 refugees in Jordan are now recorded on the WFP’s Ethereum-based blockchain, a system called Building Blocks. By the end of 2018, WFP’s Director of Innovation and Change Management Robert Opp hopes that Building Blocks will serve 500,000 people — WFP’s entire caseload in Jordan.
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