Chainlink Enables Verified Market Data on Polygon for 21X Tokenized Securities

21X, the first blockchain-based exchange for tokenized securities licensed under the EU’s DLT regime, has integrated Chainlink to deliver market data onchain. The integration allows users to access real-time, verifiable data for tokenized equities, debt securities, and funds listed on 21X. This data is now accessible on the public Polygon blockchain, offering transparency, auditability, and direct use for institutional applications such as collateral in lending protocols and automated portfolio management.

The integration is powered by the Chainlink Runtime Environment (CRE) and represents a technical milestone in bringing regulated capital markets onto blockchain networks while maintaining compliance with EU regulations.

How Chainlink Powers 21X’s Onchain Market Data

With Chainlink, 21X now provides:

• Best bid and ask prices with corresponding quantities.
• Last traded prices for all listed securities.
• Machine-readable, standardized formats accessible on Polygon.

Data from 21X is automatically retrieved from onchain contracts, aggregated, and published in real-time. Market participants, custody providers, DeFi protocols, and risk management systems can directly consume this verified information.

Max Heinzle, CEO of 21X, explained:

“By integrating Chainlink into our regulated DLT trading venue, we’re delivering the transparency, auditability, and collateral utility that institutions require to move onchain.”

The CRE-powered workflow effectively establishes a verifiable source of truth for tokenized securities, streamlining development and integration for third-party applications.

Unlocking Utility for Regulated Tokenized Securities

The Chainlink integration enables 21X to expand the use cases of its tokenized securities beyond simple trading:

• Collateral in lending protocols: Real-time prices allow DeFi platforms to accept tokenized equities as collateral.
• Automated portfolio rebalancing: Data can feed algorithmic trading and investment strategies.
• Risk management systems: Institutions can monitor exposure using up-to-date market information.

Fernando Vazquez, President of Banking & Capital Markets at Chainlink Labs, noted:

"With Chainlink making 21X's EU-regulated tokenized securities more usable across the onchain economy and helping bring institutional-grade assets to DeFi protocols across the globe, this is a pivotal moment for the blockchain economy.”

This integration bridges regulated capital markets with decentralized finance infrastructure, providing institutional participants with the tools to interact with tokenized securities securely and transparently.

Technical Framework and Architecture

21X relies on a fully regulated DLT trading venue built for compliance and institutional usage. The integration with Chainlink ensures:

• Decentralized data aggregation: Prevents manipulation by a single source.
• Standardized API outputs: Supports integration with developer tools, analytics platforms, and smart contracts.
• Public onchain availability: Ensures auditability and transparency for regulators and market participants.

The CRE framework simplifies how market data is retrieved, verified, and made available on Polygon, allowing developers and institutions to build applications without constructing proprietary oracles.

Benefits of the Integration

The integration of Chainlink with 21X provides several measurable advantages:

• Real-time price reporting: Supports instant valuations for tokenized assets.
• Standardization of market data: Simplifies integration for institutional users.
• Regulatory compliance: Ensures EU standards are met while delivering onchain transparency.
• Interoperability: Facilitates use of tokenized securities across DeFi protocols and analytics platforms.

By combining Chainlink’s oracle infrastructure with 21X’s regulated exchange, institutional participants gain access to trusted, auditable, and actionable onchain data.

Plans for Expansion

21X plans to expand the Chainlink integration in the near future:

• Pre-trade data feeds: Offering insights before orders are executed.
• Advanced analytics: Metrics and statistics to support trading strategies.
• Additional asset classes: Expanding beyond equities, debt, and funds.

All data will remain accessible both through the 21X platform interface and onchain endpoints. This approach ensures financial institutions, developers, and regulators can interact directly with live market data.

Context in the Blockchain Ecosystem

21X’s move follows a wave of Chainlink integrations across several blockchains. Bitlayer, a Bitcoin Layer 2 network, launched YBTC, a Bitcoin-pegged token that supports Turing-complete contracts through the BitVM paradigm. 

Using Chainlink CCIP, Bitlayer enables trust-minimized minting of YBTC across multiple chains, secure transfers of assets such as USDC, USDT, ETH, and wstETH, and integration into decentralized lending, trading, and derivative platforms. Johann Eid, Chief Business Officer at Chainlink Labs, highlighted that CCIP opens the door for new BTC DeFi applications.

Meanwhile, Sei Network integrated Chainlink Data Streams to provide low-latency pricing and macroeconomic data feeds. The network delivers sub-second price updates for over 300 assets, liquidity-weighted bid-ask spreads for accurate pricing, and macroeconomic indicators like U.S. GDP and the PCE Price Index. These features enable high-performance layer-1 applications, automated trading strategies, and derivatives without compromising decentralization or transparency.

Conclusion

21X’s integration with Chainlink enables real-time, verifiable market data for tokenized securities on Polygon. The setup supports regulated trading, collateral use, portfolio management, and broader DeFi integration.

The exchange plans to expand capabilities to pre-trade analytics and additional asset classes, maintaining EU compliance and high data integrity.

This step establishes 21X as a key bridge between regulated financial markets and decentralized infrastructure, offering transparent and actionable market data for institutions and developers alike.

Resources:

1. Press release from Chainlink and 21X: https://www.prnewswire.com/news-releases/first-eu-regulated-onchain-exchange-21x-adopts-chainlink-live-in-production-302556265.html

2. Sei Network announcement about Chainlink Data Streams integration: https://blog.sei.io/chainlink-data-streams-now-live-on-sei/

3. Bitlayer announcement about migrating to Chainlink CCIP as Its canonical cross-chain infrastructure to power YBTC: https://blog.bitlayer.org/bitlayer_successfully_migrates_to_Chainlink_CCIP/