Farcaster is a decentralized social network built on blockchain, fitting into the Web3 category. It lets users own their data and content, providing more security and transparency through blockchain tech. Unlike centralized social networks, Farcaster uses a distributed architecture.

"Farcaster is a decentralized social network leveraging blockchain technology, enabling users to own their data and content. With a distributed architecture, it prioritizes security, transparency, and user autonomy in the Web3 landscape."