What Are the Ethical Implications of Profiting from MEV?

The ethical debate centers on whether extracting value from a system's design flaw, often at the expense of ordinary users, is morally acceptable. While arbitrage MEV is generally viewed as a necessary function for market efficiency, predatory practices like front-running are widely seen as unethical.

The profit is extracted not through market risk, but through privileged information (mempool visibility) or position (block production).