The blockchain is not a law!

Please quote the applicable laws where it says that this is not a valid transaction?
You are the one talking about laws.
Your refund transaction is invalid because it can't be found on the blockchain but h4ns transaction can be found on the blockchain.
A
BTC transaction that cannot be found on the blockchain is inexistant

So your refund is inexistant !

You like talking about laws, don't you ?

Do you have a court order instructing h4ns to pay you back 20,000 ?
Where is the legal court order requiring h4ns to pay you back the amount of 20,000 ?
This number comes from your extremely mentally ill or brain dead bitcointalk account

What payment method do you accept for the remaining 19790 ?
Since this is what you claim, it means that you admit to already hold 210 belonging to h4ns, but you don't have any court order allowing you to do so
