The crazy swings of Bitcoin prices added more than $100 million to megastar Amitabh Bachchan's fortunes within days, but most of it got wiped out even faster - thanks to a small stake in a hitherto unknown firm associated with the web of cryptocurrencies.

Facebook and Whatsapp have run into trouble in France. They have been issued with formal notices by the data protection watchdog of France

The first stroke of luck came when Ziddu.com changed its description to \"a Blockchain technology empowered solutions provider\".

Bollywood actor Amitabh Bachchan and his family have invested around $71 million in Singapore-based file sharing portal Ziddu.com, a company official said on Wednesday.