It requires continuous expansive improvements. It is like real world. Building a system robust to frauds works on the short term, but on the mid and long term is impossibile. That is why laws change, evolve, we have governments and so on. Because system reacts to your rules and algorithms, making them less effective.
And these continous expensive improvements are done daily, but it is a difficult job
Who has ever thought carbon capture was a long term solution has never studied basic science, I guess.
Carbon capture has its uses, but selling it as long term solution is clearly just a way used by lobbyist that exists just because politicians are usually very ignorant on everything other than politics