
MIT Technology Review reported from Jordan's Zaatari camp that Syrian refugees pay for groceries by looking into an iris scanner rather than using cash or cards. The scan confirms identity against a UN refugee database and queries a family account on Building Blocks, a World Food Programme system running on a private version of the Ethereum blockchain. Started in 2017, it served more than 100,000 refugees, and its creator hoped it would grow into a portable digital identity and wallet.