Farcaster

Farcaster uses an Ethereum-based identity system (FID) that ensures users can move across different apps without losing their followers, posts, or social connections. This approach gives individuals more control and makes it resistant to censorship, as no single entity can ban or delete their content. By storing identity on-chain and social interactions off-chain, Farcaster balances decentralization with efficiency, avoiding the high costs and slow speeds of fully on-chain social networks.