Bitcoin (BTC) was invented to challenge the hegemonic order of global finance, so naturally it has had a tense relationship with regulators since its early days. The technical and social roots of ...

The kiosks, which resemble conventional A.T.M.s and convert cash into virtual currencies, are increasingly under scrutiny as a tool for scammers. By Cameron Fozi, Chloe Rosenberg and Reeno Hashimoto A ...