The Indian government has also demanded from Twitter information of vulnerability exploited by hackers and modus operandi of the attack and sought details of remedial actions taken by Twitter.

The digital currency, called Libra, is scheduled to launch sometime in the next six to 12 months.

The man had threatened people who considered buying policies but decided not to, as well as the neighbours of clients and potential clients.

The group threatened that it would reveal the documents unless the victims pay them an undisclosed ransom fee in Bitcoin.

The hackers used Musk's name and likeness to ask for Bitcoin - a cryptocurrency - by promoting an ad on Twitter.

The accused had purchased Bitcoins worth $1,000 but someone duped him, following which he lodged a complaint with the FBI, but did not get a desired response, he said.

Bitcoin, a kind of virtual currency, is not legal tender as per Union government laws and therefore have no regulatory permission or protection in India.

Hackers targeted cryptocurrency exchanges with spear phishing, social engineering and malware.

Osaka-based Tech Bureau, which operates virtual currency exchange Zaif, said its server had been illegally accessed and money transfered.

The case pertains to alleged extortion of bitcoins--a digital currency--worth over Rs 9 crore from a Surat-based builder by some officials of police.

With cryptocurrency or digital currency becoming a world-wide phenomenon, India may not be able to isolate itself from it for long. Like Japan, India will be able to create business opportunity, by regulating it

Some are fading away, some spanking new: the things we live around with a lightness of being

Money laundering haunts governments as they struggle to adapt to crypto-currencies