Considering that modern humans have been around for roughly 200-300’000 years but the oldest known form of money / standardized currency dates back only 3000-2500 bce, what would today look like in a alternate reality where the concept of money was never conceived? Like I guess some form of “the market” has always been around, but still… what if?
Look into the concept of a gift economy. https://en.wikipedia.org/wiki/Gift_economy
Communities would have social norms revolving around the exchange of goods without expectation of sone kind of payment. You do what you can to provide for your community, and in turn your community provides to you as well.