Central African Republic and El Salvador have made Bitcoin legal tender and Panama has approved a bill to regulate crypto assets. Experts warn that nations that adopt crypto currencies risk instability.
A Costa Rican hydropower plant has transformed into a green crypto-mining operation. But can energy-hungry cryptocurrencies like Bitcoin ever be compatible with climate targets?
The Diem project, launched by Facebook as "Libra" in 2019, is shutting down following scrutiny from financial regulators. The so-called stablecoin was to be pegged to the US dollar.