Polymarket, one of the largest onchain prediction markets, said it has integrated Chainlink’s oracle infrastructure to supply verifiable data and automate how markets are resolved.
According to a press release, the partnership combines Chainlink Data Streams for low-latency, timestamped price reports with Chainlink Automation to trigger onchain settlement at preset times.
Already live on Polygon mainnet for price-based markets, such as crypto pairs, the tie-up aims to make outcomes faster and harder to tamper with. The firms said they will also test methods for applying Chainlink data to more subjective questions to reduce reliance on social voting.
The move targets a long-standing pain point for prediction markets. Disputed or slow resolutions have delayed payouts before and sparked manipulation concerns among users. Polymarket has attempted to rework its resolution stack, moving from the previous Optimistic Oracle V2 to UMA’s Managed Optimistic Oracle V2. The upgrade whitelisted resolution proposals to improve market outcomes.
This came after the platform faced controversy tied to Oracle governance attacks in third-party systems. Recently, Polymarket became entangled in a multimillion-dollar market over Ukrainian President Volodymyr Zelenskyy’s attire. Critics say such episodes highlight the need for more deterministic, auditable inputs.
Chainlink, which secures large swaths of DeFi with decentralized oracle networks, is pitching the integration as a step toward turning prediction prices into “reliable, real-time signals.”
“When market outcomes are resolved by high-quality data and tamper-proof computation from oracle networks, prediction markets evolve into reliable, real-time signals the world can trust,” Chainlink Founder Sergey Nazarov said in a statement.
Founded in 2020, Polymarket lets users trade on the outcome of future events and has grown into one of crypto’s largest prediction venues as retail and institutions use market odds as information cues.
The company this year agreed to acquire QCEX, a CFTC-licensed exchange and clearinghouse, positioning it for a U.S. expansion.
© 2025 The Block. All Rights Reserved. This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.
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