ChainlinkLINK
The network that feeds real-world data to blockchains.
30-day price
Where the chart sits — description, not prediction
Between its 50-day ($7.98) and 200-day ($9.47) averages — a trend in transition. 30-day range $7.19–$8.81; currently in the upper third of that range. RSI(14) 49 — momentum roughly neutral.
Computed from daily closing prices (CoinGecko), July 28, 2026. Compare all coins →
What is Chainlink?
Chainlink solves a problem that sounds simple but is deeply important: blockchains cannot, on their own, access information from the outside world. A smart contract that needs to know a stock price, an exchange rate, the weather, or the result of an event has no native way to fetch it. Chainlink is a decentralised "oracle" network that securely delivers this external data onto blockchains, and moves data and value between different chains.
Its token, LINK, is used to pay the independent operators who supply and verify that data. Because so many decentralised-finance applications depend on accurate price feeds to function safely, Chainlink became critical infrastructure used across many different blockchains rather than a competitor to any one of them.
Chainlink's value proposition is less about consumer hype and more about plumbing — it is widely integrated, and its relevance tends to track the growth of the broader smart-contract economy it helps secure.
What has moved Chainlink
2017 — launch
Chainlink introduced a decentralised oracle network to solve the "blockchains can't see the outside world" problem, raising funds in a 2017 token sale.
2020-21 — the DeFi boom
As decentralised finance exploded, demand for reliable price feeds made Chainlink essential infrastructure, and LINK reached its cycle highs.
Ongoing — cross-chain expansion
Chainlink has expanded beyond price data into cross-chain communication, positioning itself as connective tissue between many blockchains and, increasingly, traditional finance.
Notable moments
The "LINK Marines"
Chainlink attracted one of crypto's most dedicated online communities, self-styled "LINK Marines," known for their long-term conviction.
Infrastructure, not hype
Unlike consumer-facing coins, Chainlink's importance is mostly invisible — it quietly underpins price feeds that countless DeFi applications rely on to function safely.
Common questions
What does Chainlink do?
It is a decentralised oracle network that securely delivers real-world data — prices, events, external information — onto blockchains so smart contracts can use it.
What is LINK for?
LINK is used to pay the independent node operators who supply and verify data for the Chainlink network.
Is Chainlink a competitor to Ethereum?
No — it is infrastructure used across many blockchains, including Ethereum, rather than a rival blockchain itself.