Not necessarily, the paper itself shows motivations other than direct revenue for discovering a block (IE ability to withhold a block and selfish mining strateg

Not necessarily, the paper itself shows motivations other than direct revenue for discovering a block (IE ability to withhold a block and selfish mining strategies). > We also assume that miners always have space to include all available transactions. This is also a pretty bad assumption. In reality the bitcoin mempool is almost always non-zero as bitcoin has smaller and/or less frequent blocks than many other cryptocurrencies.