It is pseudonymous, so if you did work for someone over the internet and never met them, they could pay you without ever knowing your name and address. If your

It is pseudonymous, so if you did work for someone over the internet and never met them, they could pay you without ever knowing your name and address. If your adversaries were looking to trace the coins they would see a transfer between 2 addresses only. If they managed to track down the owner of the sending address then that person could say they paid you for work done and pass on whatever contact details they have. So unlinking can be done and this is based on the adversary knowing which transaction and who the sender was.