Countessa,
Stop seeing issues where there are effectively none.
Users would have previously agreed (as they have with credit card usage) that the bank (or credit card company) would have the power to arbitrate such matters and if necessary reverse such a payment, exactly the same power as they now have for a credit card reversal; that’s what they get their 3% credit-purchase commission for.
The complaints and fraud-dealing procedures would be exactly the same as they are for a credit card transaction—probably the same call centre, one where you can actually speak to someone without having to hang on all day! The individual banks don’t moderate the credit card system, they agree to their middleman, the credit card company, having the power to arbitrate between the participants, and that arbitration works perfectly well—even internationally, in my personal experience.
Obviously, there is some greater risk with shonky small-time individuals trying to abuse the PayPal-type system, particularly where there is no additional vetting of “merchants” as there is with credit card merchants, but just about anyone can get a merchant’s account if they are in any sort of business and are “known” by their banker. And the banks are still in a better position to offer this service because they “know” the participants better the PayPal ever can.
So, what’s the difference between a credit card transaction and a PayPal transaction? Nothing, except that the credit card transaction is based on a unique card number and the PayPal transaction is based on a unique email address.
Having said that, there still needs to be a differentiation between the credit-purchase transaction for which the bank takes a heavier commission (and accepts some responsibility for ensuring the veracity of the transaction) and the simple transfer of funds (ie, a debit card-type transaction) that attracts a lower commission fee and for which the bank accepts no further responsibility except for the transferring of the funds.
Don’t worry about “treaties”, the international banking community will sort it all out so that the system works as smoothly as possible and they can maximize their profits—as they have done with international usage of credit cards.
Again, It all comes back to the fact that your bank knows you; PayPal does not, and because they are not your banker, never can know you.
We don’t really have any problem with civil laws; in Western countries they are mostly based on the logic of the English common law system, and such law is practically universal; even where statute law is involved such basic matters as the law of contract and of fraud are usually not dissimilar.