These days you might have seen the debate where a single bitcoin transaction of 0.074 BTC, paid a fee of almost $500K, that is almost 19.8K BTC as a fee. This was mined by F2Pool meaning that the miners at F2Pool gain that much money. However, there is a debate that they will have to return this money as it was due to an error or bug at Paxos end.
F2Pool Debates $500K BTC Fee Return as Paxos Confirms ErrorI am not sure if the miners will agree to the refund
While Paxos asserted that it had initiated contact with F2Pool to recoup the funds, the miner no longer seems eager to agree to a refund.
, but we will see how the situation develops.