This would only make the blockchain more resistant, 51% attacks practically impossible, Firo for example has implemented this, what would be the disadvantage?

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[–] g2devi@feddit.nl 6 points 2 months ago

PoS has two main problems: (1) It makes the blockchain less resistant. (2) the Cantillion Effect. With PoS, all it takes to do a 51% attack is to have enough XMR.

If you look at the existing financial system, you can regularly see the big players openly sabotaging themselves to either kill competition or push down prices to cause a panic and then silently buy back more than they had sold while people are still panicking or just because they are subsidized to do so (e.g. DEI). With XMR's antagonism to the existing financial system, PoS would be a death sentence. PoW + PoS changes little since you can just game the algorithm so the PoW doesn't matter.

The Cantillion Effect is essentially, people with wealth get more and more power over time to game the system because they have wealth (PoS) and not because the did anything to deserve that wealth (PoW). It's the whole reason why the financial system is the way it is now and XMR should have no part of it.