Think we need something better than the concept of money.
Not saying this is the best solution but again different form of “currency / money.”
Imagine you are a human who is part of a hive mind, (think Deus Ex Helios AI) you wouldn’t have a need for money.
Money facilitates exchange. Adam Smith argues this has primacy: "The sole use of money is to circulate consumable goods." Wealth of Nations.
Other authors argue for characteristics. William Stanley Jevons properties aren't bulletproof in my view, but are a good departure point: utility and value, portability, indestructability, homogeneity, divisibility, stability of value, and cognisability.