My favourite is Acr quick and fast withdrawal with bitcoin no questions asked. With others they may haggle you because they don't accept bitcoin and you used your bank to deposit. So they will ask for id and all and stall on payment
Hi.
I am convinced that for a beginner 888 is a very good option. This site always has a large number of daily freerolls and great promotions.
Good luck.
Pokerstars might be a good choice because there is a lot to choose from. There are many game formats to choose from and if you are a very novice there is also the option to play playmoney.
Good luck.