Freeskins.com is one of the newer GPT sites but already deserves a spot here on this list of the best GPT sites as it has a lot of good opportunities, it is easy to use, and it pays fairly well for your time.
If you are looking for a top Bitcoin GPT site, then this is definitely a good choice as it has a very low payout threshold. You can get paid in Bitcoin already when you have earned $0.03.
It also has other great rewards as, for example, PayPal cash, other cryptocurrencies, and gift cards..