You mean if he is found and yet hasn't paid the lost coins, this someone who found him doesn't get paid still?
This is a lot of work
forgive me but this is how i see it.
When finding him, he goes in to the court if he refuses to pay back lost bitcoins.
The person will be paid even it takes time, just need to find him to have the a contact.
The money I lost is enough to make him go to jail for few years, I think he prefer to pay and not go to the jail.
We already know who he is and where he lives, but I need to have a contact with him. This is easy job for the person who knows him
normally finders fee are 10% so im presuming you handed 200btc to a complete stranger?
first of all a lesson for everyone reading this.
do not hand any funds to anyone, especially using a non refundable mechanism. if you do not know enough about the person to slap them with a wet fish, face to face, should they do you wrong
second lesson
if you do find them. make sure you have proof that you owned the originating funds, proof that the scammer owned the destination address and proof that links that person back to you.
lesson three
if you can prove who they are, prove you sent them funds. you then have to prove what the purpose of the transaction was. many scammers have tried to say that it was a donation. or a gift. which cant be proved .or denied. thus get the proof to show it was not a gift.
lesson four.
to avoid the headaches of lessons 2 and 3 learn lesson one until your certain