Farcaster operates using Hubs as key components for data transmission and storage, bridging communication between compatible blockchains like Optimism and Ethereum. Its architecture consists of three layers: off-chain data, on-chain identity, and applications.Off-Chain Data LayerThe off-chain system is a peer-to-peer network of Hubs that store user data. Most user actions are processed and stored within these Hubs, including:Posting new content.Following other users.Reacting to posts.Updating...

Farcaster operates using Hubs as key components for data transmission and storage, bridging communication between compatible blockchains like Optimism and Ethereum. Its architecture consists of three layers: off-chain data, on-chain identity, and applications.Off-Chain Data LayerThe off-chain system is a peer-to-peer network of Hubs that store user data. Most user actions are processed and stored within these Hubs, including:Posting new content.Following other users.Reacting to posts.Updating...