Dubai residents will soon have the means to pay fees, bills and other retail purchases with emCash, a blockchain-based, digital currency. The first UAE- The Dubai-based economy, is pushing for a more formal blockchain-based EMCash for wider adoption by launching point-of-sale (PoS) devices at stores across Dubai. PoS devices will also be deployed at Retail stores, which allow both citizens and residents of Dubai to buy goods after working with payment service blockchain Pundi X, Trade Arabia reported Monday