This is solution, first they need to Understood the system does not serve their needs.
What they could do is start using their own Community money backed by food and fruits.
Becouse If your Community grow food you can never be poor poor people you see your goverment don't care, why you use someones money who don't care about you ?
Leave your goverment currency and issue your own Community money.
And If your poor Community Grow food it means other people out of your Community need your food, so in order to get your Community food they need to obey your Community rules and they need to buy your Community money with rate that's beneficial for you.
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How exactly are you going to create a form of money that spoils in a matter of weeks or months? One of the most basic characteristics of money is that it has to be durable, not only that you want for people to create a whole new economic system for themselves, when they could just sell their produce, earn fiat this way and be done with it, remember when given the choice people will pick the easiest solution available to them, and what you are suggesting is too complex for them to implement, without mentioning that it is probably illegal in most countries around the world.
If you look at everything that has happened, the system is only made for those who have the skills needed by the market so they will get a decent life because all systems whether from money or economics that become a person's selling point are their abilities, in any system that is created if someone is able to adapt and have skills then he will become a person who gets a prosperous life.
Logically, whatever system is created that feels better in one's view and knows there is a new system in finance or economics in the future if we do not have the skills needed by the future market according to the system that is created later then we will remain poor. The crude language is that no one who has a decent life they do not have the ability in life.IMO