If the transaction itself pays to a certain pool's address, that might be out of band in the context that it's not calculated in the txn fee...certainly more transparent than using a credit card to pay a pool to include a txn.
I have wondered about that...if pools currently monitor the mempool for transactions that pay to their own publicly known addresses. One could pay a small txn fee and have one of the outputs be a certain pool's address, so that pool's incentive to include it is much more than other pools'.
Isn't that less efficient than paying them via fees? I guess it doesn't matter but there's less data on chain if done via fees than setting some of the change to go to their address
yeah, definitely most efficient to offer to pay whoever finds the block via txn fee...gets rolled into coinbase UTXO with all the rest
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