Every month, aid organizations transfer money to individual blockchain accounts, and then that individual can go into a store, shop for the groceries and at the checkout they pay with the iris scan or with another authentication method.

每个月，援助组织会把钱转入个人的区块链账户，那个人就可以去商店，购买杂货，在结帐时，他们用虹膜扫瞄来付款，或用其它身份验证方式。