ICO of Blockstack start-up officially completed - the company announced the collection of 50 million dollars through the sale of 440 million tokens. Crowdsale started in November, with investors such as Union Square Ventures (USV), Foundation Capital, Lux Capital, Winklevoss Capital, Blockchain Capital, Digital Currency Group, Techcrunch founder Michael Arrington and Digg founder Kevin Rose. In their statements the Blockstack team tried to emphasize that all investors should be considered as long-term partners, each of which agreed to take an open position regarding the project's Cryptocurrency.