As Bitcoin prices rise, so will incentive to mine it, creating a feedback loop that spells trouble for the climate.
With its pilot cryptocurrency program, Novi, Facebook is taking on banking functions without the necessary regulations.
Growing evidence shows cryptocurrency invites scams that threaten the broader economy, say public interest groups.
A sudden uptick in hedge fund failures and corporate bankruptcies could lead to mass layoffs and a recession.
Bank regulators are rushing to create cryptocurrency rules amid fears that a crypto crash could have wider effects.
Bitcoin mining may consume more than 120 terawatt-hours of electricity globally this year — more energy than Argentina.
A currency intended for trade on a national scale needs to be not only centralized but democratized.
The plan has already come under fierce criticism from financial regulators and lawmakers.