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DecentralizedOptimistic Oraclefor Solana.

Factlink can bring any verifiable data on-chain.

Built for the future of on-chain truth

Factlink is feature compatible with UMA, and

0%

Cheaper for Voters than UMA

Thanks to Solana’s ultra-low transaction fees and Factlink’s algorithmic optimizations, voters can participate in a full DVM dispute cycle — including commit, reveal, and claim — for less than $0.003. In contrast, the same process on UMA’s DVM typically costs around $0.25, based on emperical data from Etherscan.

Factlink is purpose-built to power the next generation of on-chain economic guarantees — from prediction and betting markets to insurance, derivatives, and synthetic assets. With a scalable architecture at its core, Factlink can seamlessly support up to 10,000 disputes per day and 500,000 queries per day, based on emperically observed 2% dispute-to-query ratio.

Can scale up to

0K

Disputes/day

0K

Queries/day

How does Factlink work?

The Optimstic Oracle verifies data in four stages.

Step 1: Proposal
Step 2: Assertion
Step 3: Dispute
Step 4: Voting

Participate as a voter & earn up to 0% APR

Stake
Vote
Earn

Build with Factlink

Powering the future of on-chain markets

Prediction Markets

Factlink is designed to settle any kind of real-world outcome — from politics and crypto to sports, culture, and the economy. Whether you're building a platform for forecasting election results, predicting crypto trends, or creating markets around major tech launches, Factlink provides the trustless, secure infrastructure to make it happen.

Explore what's possible with Factlink:

Launch with confidence. Resolve with certainty.

Prediction Markets Illustration