Slightly related. Auroville [1] in South India has tried its own monetary system (Aurocard). But over time that didn’t catch up much. There are some businesses

Slightly related. Auroville [1] in South India has tried its own monetary system (Aurocard). But over time that didn’t catch up much. There are some businesses that will accept only the Aurocard and not any other form of payment (like government issued currency notes or bank issued cards). [1]: https://www.auroville.org https://www.auroville.org