josemurilo , 
Although AT is not decentralized..
"Both #ActivityPub and #ATProtocol developers are receptive to making the 2 better at communicating with one another, and independent projects like #BridgyFed, #SkyBridge, #RSSParrot and #Mastofeed are already letting users get the best of both worlds.
Today a growing number of projects speak both #protocols, along with older ones like RSS."
https://www.eff.org/deeplinks/2024/06/whats-difference-between-mastodon-bluesky-and-threads