Paul Meinshausen, Chief Product Officer at DT One, on solving one of the biggest issues for migrant workers overseas: how to send money back home cheaply, and safely? Traditional transfer can be risky, and big banks charge prohibitively high fees, even on small sums. So what is the solution? Turn migrant workers’ phones into mobile wallets, linking with local telcos, allowing them to remit money safe and cheaper. Could this be a scalable global solution for the underbanked?