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Documentation Index

Fetch the complete documentation index at: https://filterfun.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

filter.fun is speculative, competitive, partially zero-sum, and risky. Most tokens launched are filtered. There is no “safe” position.

What filter.fun does not promise

filter.fun does not promise returns. There is no “safe” position, no “risk-free” trade, and no “passive income.” Every position you take is at risk, including:
  • The token you launch may be filtered. Most are.
  • The token you trade may be filtered. When that happens, liquidity collapses and exit slippage explodes. See The filter.
  • Rollover entitlements are not guaranteed recouping initial capital. Holders of filtered tokens may receive rollover into the winner, but rollover size, winner outcome, and post-settlement winner price are not guaranteed.
  • The hold bonus is conditional. It pays out only if you hold at least 80% of your rolled amount for 14 days after settlement.

What you take on by participating

  • Smart-contract risk. The contracts are open-source and auditable. The full V4 contract suite is deployed and tested on Base Sepolia. An external audit is scheduled before Base mainnet launch — until that audit is published, contract risk is unmitigated by third-party review.
  • Market risk. Trading is permissionless. You connect your own wallet, take your own risk, and do your own research.
  • Game-design risk. The protocol may amend parameters (HP weights, fees, settlement splits) before Phase 2 mainnet. Changes are tracked in the public spec and roadmap.
  • Liquidity risk. Filtered tokens stay tradable, but on collapsed depth. Selling into a filtered pool can cost 50%+ in slippage.

Most tokens are filtered

The system is designed so that most tokens lose. That is not a bug — it is the core mechanic. Six of every twelve are filtered at the cut. Five more are filtered at settlement. Only one wins per week. If you launch a token, the base rate for being filtered is high; if you hold a token, expect that it may be filtered.The losers are not abandoned — their liquidity funds the winner, and their holders receive rollover and hold-bonus entitlements. But that machinery is not a substitute for thinking carefully about whether you can afford to lose what you put in.

Is this a pyramid scheme?

It shares some surface similarities with high-risk speculative games, but structurally it is not a pyramid. There are no guaranteed returns, no required recruitment, no hidden payouts to earlier participants, and all flows are transparent and rule-based. It is a competitive market tournament where most tokens lose and one wins.
A pyramid hides risk and promises returns. filter.fun exposes risk and lets the market decide.

Read the source

The full mechanic spec, including known open design questions, lives in the filter.fun comprehensive spec. If a docs page contradicts the spec, the spec wins — open an issue.