Data Feeds

Led the redesign of Chainlink Data Feeds to improve trust, clarity, and scalability while establishing a reusable product foundation.

Company
Chainlink
Year
2021
Role
Lead Product Designer
Data Feeds overview

Case study

Diagram of how external market data becomes on-chain price feeds
Fig 01Illustrating how external market data is transformed into trusted on-chain price feeds for DeFi applications

Context

Chainlink enables smart contracts to access off-chain resources such as price data, verifiable randomness, and automation. Data Feeds aggregate multiple external data sources and publish them on-chain, providing reliable infrastructure for decentralized financial applications.

As the first product design hire at Chainlink Labs, I was responsible for evolving Data Feeds from a functional interface into a scalable, trustworthy product experience. The product needed to communicate credibility to developers building high-stakes financial systems while aligning with a recently refreshed brand and scaling within a React-based application.

The original Data Feeds UI
Fig 02The original Data Feeds UI was minimal but lacked clarity and scalability for a trust-critical product
Radial visualization of oracle inputs
Fig 03Initial attempts to map oracle inputs in a radial system exposed limitations in labeling and scalability

Problem

Data Feeds powered critical infrastructure, but the experience did not reflect its importance or scale.

The existing interface struggled to scale as the number of feeds and supported networks grew. Information hierarchy was unclear, dense technical data was difficult to parse, and developers could not easily assess oracle health, update recency, or overall reliability at a glance.

At the same time, the product lacked a cohesive system foundation. Essential components and patterns did not yet exist, and engineering needed a structured, reusable approach to support rapid ecosystem growth. The challenge was to design a scalable interface that reinforced trust while creating a durable product foundation.

Early homepage explorations using list and grid views
Fig 04Early homepage explorations for price feeds using list and grid views aligned to the new design language
Iterations on the homepage layout
Fig 05Iterating on the homepage design to ensure clarity and usability across devices

Solution

I approached the redesign as both a clarity and scalability initiative, focusing on information hierarchy, transparency, and long-term systemization.

  1. Creating a scalable information hierarchy

I restructured feed detail pages to surface the most critical information first, including aggregated price, supported networks, risk parameters, and last update time. The layout was designed to scale across thousands of feeds spanning crypto, equities, commodities, fiat currencies, and stablecoins, while remaining readable across devices.

  1. Designing for trust and transparency

Because these feeds power exchanges and DeFi protocols, clarity and transparency were essential. I expanded detail pages to include structured data tables, historical charts, clearly labeled contract addresses, and explicit status indicators for node health and response freshness. This reinforced reliability and supported technical validation workflows.

  1. Aligning with the refreshed brand

I partnered closely with design and engineering to bring Chainlink's updated visual language into the product. We modernized typography, layout patterns, and interface styling to create a cohesive experience across marketing and product touchpoints, positioning Data Feeds as a maintained, production-grade system.

  1. Building a reusable product foundation

In collaboration with engineering, I defined reusable components and patterns tailored for data-dense interfaces. This system supported responsive behavior across breakpoints and created a scalable foundation for future product expansion.

Early grid-based detail view explorations
Fig 06Moving away from radial visualization toward a grid of oracles to improve clarity at scale
Final grid-based detail view
Fig 07The finalized detail view using a grid system to handle scale and complexity

Impact

The redesign strengthened Data Feeds as a core trust surface within the Chainlink ecosystem. By clarifying hierarchy and systemizing components, the product evolved from supporting a limited number of feeds to accommodating thousands across multiple networks and asset types. Developers could now quickly evaluate reliability, risk, and implementation details without unnecessary friction.

The reusable foundation also improved collaboration with engineering and reduced future design overhead. Aligning the product with the refreshed brand increased cohesion across the ecosystem and reinforced the credibility of Chainlink's infrastructure offerings.

As a result:

  • Data Feeds now supports over a thousand feeds with clear, scalable presentation of key metrics
  • Developers can assess feed trustworthiness and status at a glance
  • The experience is fully responsive across desktop, tablet, and mobile
  • A reusable component system accelerated future feature development
  • The redesign positioned Data Feeds as a maintained, production-grade product within the broader Chainlink ecosystem
Reusable component and pattern foundation
Fig 08Building a reusable component and pattern foundation to support the Data Feeds experience
Tailored open graph visuals for feeds and product pages
Fig 09Adding a layer of polish with tailored open graph visuals for feeds and product pages

Learning

This project reinforced that clarity is foundational in high-stakes systems. Developers building financial infrastructure need immediate confidence in the data they consume. Information hierarchy and transparent status indicators are not cosmetic decisions, they directly support trust and risk mitigation.

I also learned that infrastructure products demand proactive system thinking. Designing for early scale, aligning closely with engineering, and building reusable foundations ensures that growth does not introduce fragmentation or erosion of trust.

Finalized homepage across desktop and mobile
Fig 10Finalized homepage delivering richer insights with key metrics and feed discovery across desktop and mobile
Additional views surfacing rankings and protocol adoption
Fig 11Additional views surfacing feed rankings, network-specific data, and protocol adoption

Credits

This work was made possible through close collaboration with product, design, and engineering partners. Special thanks to Sergey, Julian, Shawn, JT, Deividas, and Ainsley.

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