Original source: Chainlink
October 2025—Chainlink and MegaETH today announced the deployment of the first real-time, on-chain data stream oracle on MegaETH, an unprecedented protocol-level implementation that delivers Chainlink's trusted market data to the blockchain with sub-millisecond latency.
This integration directly incorporates Chainlink data streams into MegaETH's execution environment through a native precompiled method, allowing any smart contract to seamlessly access real-time, high-frequency market data. The result is a new foundation for real-time DeFi, enabling applications such as perpetual contracts, prediction markets, and stablecoins to achieve response speeds and accuracy comparable to centralized exchanges (CEX), while maintaining complete on-chain composability.
Lei, co-founder and CTO of MegaETH, stated: "Integrating Chainlink data streams at the protocol layer provides developers with low-latency, efficient on-chain market data, which is the infrastructure needed to build the next generation of real-time decentralized finance applications."
Why This Matters
This integration introduces a brand new oracle model that combines the simplicity of traditional on-chain oracles with the immediacy of data streams.
Protocol layer low latency: Chainlink data streams refresh instantly when accessed by contracts, eliminating issues of latency mismatch and redundant updates.
Zero integration overhead: Any smart contract can directly read real-time market data from the precompiled source without the need to build custom off-chain logic.
Future-proof data catalog: Chainlink's extensive network supports multiple asset classes, including crypto assets, equities, commodities, and real-world assets (RWAs). This will enable the scalability of high-performance DeFi.
The initial deployment focuses on high-frequency crypto assets, establishing a new standard for low-latency on-chain price discovery.
When oracle latency is reduced to single-digit milliseconds and data quality meets institutional benchmarks, DeFi achieves parity with centralized trading infrastructure, enabling real-time settlement, precise funding rates, and continuously updated derivatives, all secured by Ethereum.
Why Choose Chainlink
Chainlink is the largest and most trusted data provider in the crypto space. Chainlink oracles have supported over $25 trillion in transaction volume, secured over $100 billion in total value locked, and validated over 18 billion cross-chain messages.
Chainlink data streams are a low-latency oracle solution built specifically for applications requiring high-frequency market data. The data streams are powered by Chainlink's robust decentralized oracle network (DON), where independent nodes aggregate, verify, and sign each data report before transmission. This model ensures data integrity while maintaining real-time updates.
With low-latency, native access to Chainlink's data catalog (covering crypto, equities, commodities, etc.), various protocols on MegaETH will gain infrastructure that surpasses the latency execution levels of centralized finance.
About Chainlink
Chainlink is the industry-standard oracle platform that brings capital markets on-chain and supports the majority of decentralized finance (DeFi). The Chainlink tech stack provides the essential data, interoperability, compliance, and privacy standards needed to drive advanced blockchain application scenarios, including institutional tokenized assets, lending, payments, stablecoins, and more. Since the invention of the decentralized oracle network, Chainlink has facilitated trillions of dollars in transaction value and currently secures the vast majority of DeFi.
About MegaETH
MegaETH is the first real-time blockchain, secured by Ethereum and supported by an ultra-optimized execution environment and heterogeneous architecture. It achieves a 10-millisecond block time and streaming throughput of up to 100,000 TPS. Developers can scale applications through real-time state streams, and users can enjoy instant transactions while fully retaining Ethereum's composability.
This article is from a submission and does not represent the views of BlockBeats.
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