Farcaster
Decentralized social protocol where accounts are onchain and posts are stored on a peer-to-peer network.
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Farcaster key facts
| Category | Web3 social app |
|---|---|
| Chains | Ethereum addresses; accounts registered onchain |
| Platforms | Web, iOS, Android, API |
| Custody | Self-custody |
| Fees | $7 per storage unit per year |
| Open source | Yes (Snapchain) |
What is Farcaster?
Farcaster is a decentralized social protocol where any Ethereum address can register an account and publish posts called casts. Accounts pay $7 for a yearly storage unit that holds up to 5,000 casts. Its Snapchain node software is open source on GitHub.
Farcaster usage
From DefiLlama (fees users paid), updated Sep 26, 2026.
Farcaster pros and cons
- Accounts move between apps without losing followers or posts
- Snapchain node code is public on GitHub
- Free offchain usernames are available
- Storage costs $7 per unit per year, and old casts are pruned past 5,000
- Free fnames can be revoked by Farcaster at any time
- Messages can be lost if storage expires past the 30-day grace period
Farcaster FAQ
What is Farcaster?
Farcaster is a decentralized social protocol where any Ethereum address can register an account and publish posts called casts. Accounts pay $7 for a yearly storage unit that holds up to 5,000 casts. Its Snapchain node software is open source on GitHub.
Which chains does Farcaster support?
Ethereum addresses; accounts registered onchain.
How much does Farcaster cost?
$7 per storage unit per year, according to Farcaster’s own page (checked Sep 26, 2026).
How much do users pay Farcaster in fees?
$378,686 over the last 30 days, according to DefiLlama on Sep 26, 2026.
Does Farcaster hold my funds?
No. Farcaster is self-custody: you keep your funds in your own wallet and sign each transaction.
Sources
How this page works
Sources: Farcaster: official site, Farcaster Docs: Messages, GitHub: farcasterxyz/snapchain. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.