Answer: By its extended validation certificate '2525 Ventures BV [NL]'.
When you see this website you are at the right LiteBit website.
Fake LiteBit websites:
- Do not have the right certificate, which is '2525 Ventures BV [NL]'
- Do not have a lock
- Do have an incorrect spelling of the website name, like Litbit.eu
As you can see the certificate "2525 Ventures BV [NL]" is not used.
Also it uses ".com" instead of ".eu". The page is labeled "safe", but this is a free general SSL certificate, and thus does not add any credibility to the legitimacy of a certain website.
Second example of a website which looks like LiteBit.eu, but is not:
As you can see there is no lock icon and the certificate "2525 Ventures BV [NL]" is not used.