PayPal is maybe the most famous online wallet with huge tradition with auctions customers. The American company is very secure and offers a lot of protection mechanisms for the payers. Recently PayPal started to enter European gambling market as well.
The fees are as follow:
1) When you pay something online it is free.
2) When you send money from your balance: 3.4% + €0.35 EUR
3) When you send money from your card the fee is 3.4% + €0.35 EUR but the sender decides who will pay it.
4) If you are a merchant receiving money costs 1.9% to 3.4% + €0.35 EUR
5) If you withdraw to your VISA card the fee is 2 EUR
6) There is an option to withdraw to bank account only if you have such in the US.
You can open account: www.paypal.com