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I think that freedom is not related to income (at least if there are no loans): with the introduction of digital banking projects, money become the way to control people (depriving people of freedom, instead of granting freedom). Crypto can't be considered an uncontrolled money system yet: not because of the fact that all the cryptocurrencies have teams of devs, which act as centralisers, but mostly due to the fact that most transactions can't be performed without BTC to fiat transfer. So nowadays freedom is more about the state of mind, financial potential can't bring freedom...
But we are talking about
financial freedom here. You can have a lot of money and still be dependent, that's, of course, true, but regardless of your state of mind you can't be financially independent if you have very low income or no no money at all. People who discuss obstacles to achieving financial freedom, they already have the right state of mind, and yet it's hard sometimes for them to find ways of being independent financially.