cryptocurrenices by design are pretty much borderless, not sure by 'reflecting your culture' what you actually mean?
There used to be altcoin called Mazacoin created in 2014, by sovereign traditional Lakota Nation in the US. They tried to abandon dysfunctional FIAT system and create, their own currency.
But unfortunately something went wrong. When I recently tried to reach their website and read about their progress I encountered empty site:
https://mazacoin.org/