WHEN ROMAN MARTÍNEZ WAS GROWING UP IN EL ZONTE, A small coastal village in El Salvador, the American Dream loomed large. Beyond the local fishing industry, which Martínez’s parents worked in, there weren’t a lot of opportunities at home. “Young people just wanted to leave, to go to the U.S.,” he says. “But now we have a Salvadoran Dream.”
It’s a dream about Bitcoin. Two years ago, an anonymous U.S. donor sent more than $100,000 in the decentralized digital currency, or cryptocurrency, to an NGO that Martínez works for in El Zonte, to pay for social programs. As the team began encouraging families and businesses to use Bitcoin, many of the town’s residents, most of whom had never had a bank account, began saving their money in the currency, making…