The receipts are between the middleman and either party, not between the participants in the transaction directly. So even if seller and buyer are in Greece, f

The receipts are between the middleman and either party, not between the participants in the transaction directly. So even if seller and buyer are in Greece, freelancer.com (warning: don't use them) is in Australia. Receipts won't make it to the authorities. Also: freelancer.com won't care if you use a fake identity, as they're extremely scummy and in this case it works to your advantage.