[pfraze]

the entire architecture is like if you started with the typical architecture for social network, but then got rid of the organizational perimeters. the atproto instances (PDSes) handle primary data storage, key management, and request routing. they're otherwise quite dumb, which as divy is saying makes them cheap to run and also general purpose for other kinds of applications.

the app-specific business logic lives in the aggregator services that pull from those instances