RT: The maintenance of modern money system, including banking deposits & paper money, produces almost 400 million metric tons of CO2 each year, which exceeds the amount of CO2 produced by bitcoin mining by more than 4 times.
@cz_binance, More ppl needs to know this. https://t.co/INvuUDY9aV
RT：维护现代货币体系，包括银行存款