Chainlink Price Tracker (LINK) & Whale Tracker

What is Chainlink

Chainlink is the network that feeds real-world data into blockchains. Smart contracts cannot see outside their own chain; they do not know the price of ether, the result of a football match or whether a shipment arrived. Chainlink's decentralised oracle networks fetch that information from many independent sources, agree on an answer and write it on-chain, which is what makes lending markets, derivatives and insurance contracts possible. Sergey Nazarov and Steve Ellis founded the project in 2017 and raised 32 million dollars in a token sale that September.

LINK is the token that pays node operators for their work and that they stake as collateral for good behaviour. Almost every major DeFi protocol depends on Chainlink price feeds, and the network has expanded into cross-chain messaging, verifiable randomness, automation and proof of reserves. The live price, market cap and supply at the top of this page refresh automatically.

Chainlink Labs, the main development company, works with banks, exchanges and market infrastructure firms, which gives the project a corporate profile unusual in crypto.

How Chainlink works

A price feed is a committee of independent node operators, each pulling data from several exchanges and aggregators. The nodes exchange their observations off-chain, agree on a median, and one of them posts the signed result to the blockchain when the price moves beyond a threshold or a heartbeat interval passes. Users read the latest value from a contract, and the cost is shared among the protocols that sponsor the feed. Chainlink runs thousands of such feeds across dozens of chains.

The Cross-Chain Interoperability Protocol, CCIP, launched in 2023 and lets tokens and messages move between blockchains with the same decentralised committees securing the transfer, plus a separate risk-management network that can halt suspicious flows. Other services include VRF, a provably fair random number generator used by games and lotteries, Automation, which triggers contract functions on a schedule or condition, Data Streams for low-latency derivatives pricing, and Proof of Reserve, which verifies the backing of tokenised assets.

Staking, introduced in 2022 and expanded in 2023, lets LINK holders and node operators lock tokens that can be slashed if a feed fails, aligning the network's security with its token.

Supply and tokenomics

LINK has a fixed supply of one billion tokens. Thirty-five percent was sold in the 2017 token sale, 35 percent was reserved for node operator incentives and 30 percent went to the company for development. Chainlink Labs has sold from its reserves over the years to fund operations, which the community tracks closely.

Node operators earn LINK from the protocols and chains that sponsor feeds, and stakers earn a share of rewards. In August 2025 Chainlink launched a reserve that uses revenue from enterprise and on-chain services to buy LINK on the open market and hold it, the first direct link between the network's income and the token. Fees paid in other currencies are converted to LINK for the reserve.

History and milestones

Chainlink's price feeds went live on the Ethereum mainnet in 2019 and became the backbone of the 2020 DeFi boom, when Aave, Synthetix and Compound adopted them. LINK rose from under a dollar to an all-time high above 52 dollars in May 2021. The 2022 collapses of Terra and FTX demonstrated the value of reliable oracles, and Chainlink feeds continued operating through the chaos.

Enterprise work defined the following years. SWIFT, the bank messaging network, ran pilots with Chainlink and major banks on tokenised asset transfers; DTCC, Euroclear, UBS, ANZ and Fidelity International tested it for fund tokenisation. In 2025 the US Department of Commerce began publishing GDP and other economic data on-chain through Chainlink, Mastercard integrated it for card purchases of crypto, and asset managers filed for LINK exchange-traded funds. The Chainlink Reserve launched the same year.

What people use Chainlink for

Every lending protocol that liquidates loans, every perpetual exchange that marks positions and every stablecoin that checks its collateral uses an oracle, and most use Chainlink. That dependence is invisible to end users and total for developers; a bad price feed can drain a protocol in minutes, which is why the network's reliability record matters more than its features.

CCIP is becoming the second pillar. Banks use it to move tokenised deposits between private and public chains, DeFi protocols use it to bridge tokens, and stablecoin issuers use it to let their tokens travel across networks. For LINK holders, staking and the reserve are the ways the network's growth reaches the token.

Where to buy and trade Chainlink

LINK is listed on Coinbase, Binance, Kraken, OKX, Bybit, Bitstamp and virtually every other exchange, with deep pairs against the dollar and major stablecoins. Grayscale's Chainlink trust and European exchange-traded products offer brokerage exposure, and spot ETF applications were pending in the United States in 2025.

LINK is an ERC-20 token on Ethereum with official versions on most major chains. MetaMask, Rabby, Ledger and Trezor all support it. Staking is done through Chainlink's own staking app when pool capacity is open, which has been limited; most holders simply hold or lend.

Risks to understand

Chainlink is the dominant oracle, but Pyth, API3 and chain-native oracles compete, and some protocols run their own feeds. The token's value has lagged the network's adoption for years because fees were paid mostly in other assets, which the reserve is meant to change. Chainlink Labs' sales from its reserves have been a persistent overhang.

A failure of a major feed would be an existential event for the protocols that rely on it. LINK is volatile and spent years far below its 2021 high. This page is a reference for the data above, not investment advice.

Chainlink FAQ