You can check the results as they come out here.

http://www.bbc.co.uk/news/politics/eu_referendum/results

There are no results in yet but they have started counting, and that page will give live updates. The first results are expected in another hour and a half. It should be another ten hours until we get an idea of the final result unless there is a landslide one way or the other.

A brexit could start chaos in the currency markets and make Bitcoin a safer option.