I don't think you made any mistake either. The miner who got your 630 kmd should give you back this money (if he 's honest). Go to slack and put the txid and try to get some help to find out who got this undue money so they can give it back to you.
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Yeah, that's it.
The hash has been passed in slack already: http://kmd.explorer.supernet.org/block/000000464e48418bb3423c21c29eb1f31bf847e8ea9e39b59e54f64d5e773340

I've asked to someone of the team to contact miners, to ask if they mined it. I've done some search that lead only to exclude somes. To find out the winner of this 'prize' my opinion is that in contacting them without motivation my request will not be considered - yeah, because to contact asking back komodos before to find out who mined it doesn't look a winning strategy, right!?  
Instead developer can contact them motivating their request. and then explain the situation.


The 6 leading zeros of the transaction number tell us that it was not mined by notary node.  It most likely was mined by one of the pools.
They distribute the mining block reward to all the pool members.  I think it would be difficult to arrange it to be returned.