Liberty Reserve is e-wallet and payment processor which have irreversible payments which can be also quite good advantage.
Liberty Reserve also have quite reasonable fees, at the moment im writing this it is: 1% (min $0.01, max $2.99) Liberty Reserve fees.
http://www.libertyreserve.com
Do You have any questions or additional Information?
--FAQ--
Q: Can i have several LR accounts?
A: Yes. You may open as many Liberty Reserve account as you wish as long as each account has its own unique e-mail address.
Q: How can i fund LibertyReserve account, how can i deposit into LR?
A: You need to use third party exchangers here: http://www.libertyreserve.com/en/exchangers