Complex sentence: WebMoney transactions do not require a credit card or bank account, are final, and cannot be retracted; similar to Bitcoin, e-gold and cash and in contradiction to credit card and PayPal transactions.
Split into simpler sentences: WebMoney transactions do not require a credit card or bank account, are final, and cannot be retracted. This is similar to Bitcoin, e-gold and cash and in contrast to credit card and PayPal transactions.