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- Your money would be in some form of lock mechanism while pooled staking. This can bring accessibility or even 3rd party trust issues. Might function only as a savings account and not a liquid day to day currency.
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I don't believe this is true for a lot if not all of POS implementations. You can move your coins at will even if you are forging (or whatever it is called in your favorite coin

)
Of course this may not be true for POS-Pools where multiple people throw their funds together allthough there are systems that even cover that use case.