Before Nigerian authorities detained two mid-level Binance executives back in February, they were telling anyone who would listen that the cryptocurrency platform was manipulating the value of its currency, the naira. It turns out the more likely culprit is more than a decade of economic...

A former American IRS investigator responsible for some of the earliest dark market takedowns has been in Nigerian custody since February. Neither Nigerian nor the US authorities seem to be distinguishing Tigran Gambaryan from Binance, the company where he works.