WOW! And here you have just exposed a weakness of traditional centralised systems. The abuse of trust and the lack of transparent publically available audit trails so that everyone can trace the misdemeanours of those who abuse the system. I am so sorry you are experiencing this. Given that this is a centralised system you are dealing with, is there no central authority or ombudsman with which you can raise an official complaint? It seems to me that you validly entered an auction to acquire something, paid your money and now the goalposts have shifted and they won't release the good to you ie: the domain name. Fraud? I hope you can get it sorted quickly in your favour.