Rory Cellan-Jones explores two industries - one old, one new - trying to "green up" their operations.| www.bbc.com
A warning on NatWest's banking app warns customers to beware of cryptocurrency scams.| www.bbc.com
All the latest content about Cryptocurrency from the BBC.| www.bbc.com
All the latest content about Bitcoin from the BBC.| www.bbc.com
The price of Bitcoin fell below $34,000 for the first time in three months after China imposed fresh curbs.| www.bbc.com