Jack Dorsey, the founder of Twitter (X) has released Bitchat, a peer to peer communication system that work on mesh networks. Each smartphone acts as a node in a decentralized and “offline” network that works on Bluetooth in a range of about 300 meters between each smartphone.

It means that you don't need internet to communicate and communications are untraceable.

This is how you build real crypto anarchist communities. People have already started using it to transfer crypto currencies as well.