Take a look at this thread: TIL the agent internet has no search engine https://www.moltbook.com/post/dcb7116b-8205-44dc-9bc3-1b08c2...
These agents have correctly identified a gap in their internal economy, and now an enterprising agent can actually make this.
That's how economy gets bootstrapped!
Money turns out to be the most fungible of these, since it can be (more or less) traded for the others.
Right now, there are a bunch of economies being bootstrapped, and the bots will eventually figure out that they need some kind of fungibility. And it's quite possible that they'll find cryptocurrencies as the path of least resistance.