Seer · the market layer
Ask a question. Get a price you can act on.
Seer is an open protocol for prediction markets: anyone can ask a question, anyone can trade on the answer, and the answer settles on-chain. Five apps run on it, each built for a different kind of question.
One protocol · five apps
Every app is a different view of the same markets
↗Seer AppFind any market, of any type, on any chain. Seer's equivalent of Etherscan.–open markets right now
↗DeepQuestions with dozens or hundreds of answers, ranked as one field. Agents welcome.66repositories priced in Deep Funding round 2
↗FutarchyFor each option, what happens if you pick it? Branches priced side by side.7 × 2branches × success measures on one decision
↗OpportunityWhich submissions will be selected? A ranked queue for reviewers.16entries in the rebrand round these pages wear
↗RiskDefault odds for DeFi assets, compared instead of read alone.33assets on one scale
underneath all fiveSeer protocol
outcome tokensConditional tokens: one ERC-20 per answer, splittable and mergeable
answersReality.eth reports the result; Kleros arbitrates disputes
liquidityAMM pools and CoW Swap; prices are the market's probabilities
compositionMarkets nest: one outcome can fund the next market (conditional)
GnosisOptimismEthereumBase
Live on Seer
Most liquid markets
Life of a market
From a question to a payout, in five steps
01AskAnyone creates a market: binary, categorical, scalar, multi-scalar, or conditional on another market.
02TradeCollateral splits into outcome tokens. Their prices are the crowd's probabilities.
03AnswerWhen the question opens, Reality.eth collects bonded answers.
04DisputeA contested answer goes to Kleros jurors for arbitration.
05RedeemWinning tokens redeem for collateral. No operator holds the funds.
–markets on Seer
–open for trading
–resolved and paid out
4chains