Nakamoto Credits, "Coin", or "Naks" are the cryptocurrency of New Earth society.
In Episode 2 Customer Unverified, Rachel asks a resident to rate her experience, and she is tipped two Naks.
In the same episode, Rachel is fined two credits by the Tier City Control Unit for performing a reckless "triple point spin."
Luxury goods are incredibly expensive in New Earth society. Tier City resident, Molly, buys a pair of shoes for one thousand and twenty-five Nakamoto Credits.