there are several options for this, some high networth individual, can open an account in overseas bank even though they are not citizen for that particular country, they can transfer their money to their overseas account and then transfer to property developer.
Second, a property transaction most of the time will involve a lawyer. This lawyer will advise the buyer when he needs to make the payment ( since property payment is based on the building progress of the property that the buyer purchase) and so the buyer will transfer stage by stage to the property developer until the whole amount is paid up.
