In an exclusive interview with the BBC, Asha Sharma also discusses giving gamers digital versions of games they own.

The deal has been reached during a California federal court trial over claims brought by US states.

The price of Bitcoin has risen in August but is still far below its peak almost a year ago - and companies are refitting their mines.

It will be the firm's biggest site yet and aims to send rockets to space in 2029.

After last year's massive power failure Spanish and Portuguese firms are buying battery back ups.