According to security researchers at Securelist, the data stolen from the computer owned by Mt Gox Chief Operating Officer Mark Karpeles' computer contained malware that pretended to be a back-end app for Mt Gox transactions but actually stole users' Bitcoins.

American e-commerce giant Amazon is planning to hire hundreds of workers for its fourth fulfillment center in Kent, Washington, where customer orders will be packed and shipped.

Sina Weibo, the China-based microblogging and social media site, has filed its IPO prospectus with the US Securities and Exchange Commission to raise as much as $500 million in its planned US debut, TechCrunch reported.

Palo Alto, US-based beauty box retailer Memebox, which was imported from South Korea, bagged $1.5 million in venture funding to establish its presence in the US.

Warren Buffet said Bitcoins were a "mirage" and that investors should "stay away" from it, VentureBeat reported citing the investor's comments on CNBC's "Squawk Box."

Nigeria-based mobile security startup i.Sec nabbed $10 million in a funding round from private equity group Synergy Capital to prepare for its public launch this May and for other undisclosed purposes.

Microsoft Founder Bill Gates thinks that innovation drives progress and doesn't mind the silly endeavors that some companies in Silicon Valley are engaged in because it is from them that important ideas emerge.

Three developers whose real identities are not yet revealed have created and launched Potcoin, a cryptocurrency that can be used by the marijuana community to conduct transactions with dispensaries.

After being arrested last month for fraud charges, Motionloft founder Jonathan Mills was indicted by a San Francisco grand jury for wire fraud and money laundering and is facing 30 years in jail.

Flappy Bird creator Dong Nguyen told Rolling Stone he is thinking of bringing back the game but that won't be easy because of a clause in Apple's developer agreement, VentureBeat reported.