In rural Africa, Walton spotted a hidden resource, stranded renewable energy, and imagined a way to turn it into both profit ...

Yes, bitcoin is down about 33% from its peak last month and 10% so far this year. But you can thank your lucky stars you don't hold, say, the competing cryptocurrency ethereum - which has fallen 45% ...

Comparing early-stage platforms to long-standing networks often reveals differences in access, design, and long-term ...