JERICOACOARA, Brazil — The ritual begins an hour or so before sunset. As the tropical Brazilian sun beats down still at this hour, a few trekkers begin to climb a sand dune that overlooks a remote, ...

Students at Escola Jeri holding up the school's public note. The school houses a bitcoin server that allows for all of these students and their teachers to pay for goods in bitcoin at participating ...

Jericoacoara. It's hard to spell, it's even harder to pronounce and it's not easy to find. This little pocket of paradise located on the northern tip of Brazil has remained a well-kept secret for ...