Blockchain oracle

Chainlink

Oracle platform for price feeds, low-latency data streams, cross-chain messaging (CCIP), VRF and automation.

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Facts checked Sep 26, 2026

Chainlink key facts

CategoryBlockchain oracle
ChainsEthereum, EVM networks and others
PlatformsWeb, API
TokenLINK
Open sourceYes, Chainlink node code on GitHub (smartcontractkit/chainlink)

LINK token

Price
$14.3 +3.6% 24h
Market cap
$10.7B
Fully diluted value
$14.3B
30-day change
+19.6%

Market data: CoinGecko, updated Sep 26, 2026. Educational content, not financial advice.

About

What is Chainlink?

Chainlink is an oracle platform whose products include Data Feeds, Data Streams, CCIP, VRF, Automation and Proof of Reserve. Data Feeds use a push model that updates on a deviation threshold or heartbeat; Data Streams use a pull design. Its homepage lists $34.18 trillion in transaction value enabled as of Sep 2, 2026.

Chainlink usage

Total value locked$1.8B+3.6% in 7 days
Fees paid, 24h$4,361
Fees paid, 30d$5.6M
Chains21

From DefiLlama (TVL) (fees users paid), updated Sep 26, 2026.

Blockchain oracleWebAPI

Chainlink pros and cons

Pros
  • Widest product range: feeds, streams, CCIP, VRF and Proof of Reserve
  • Push feeds update on both a deviation threshold and a heartbeat
  • Used by Aave, GMX and Lido, per its homepage
Cons
  • Data Feeds do not stream: they update only on threshold or heartbeat
  • Low-latency data needs the separate Data Streams product

Chainlink FAQ

What is Chainlink?

Chainlink is an oracle platform whose products include Data Feeds, Data Streams, CCIP, VRF, Automation and Proof of Reserve. Data Feeds use a push model that updates on a deviation threshold or heartbeat; Data Streams use a pull design. Its homepage lists $34.18 trillion in transaction value enabled as of Sep 2, 2026.

How much value is locked in Chainlink?

$1.8B according to DefiLlama on Sep 26, 2026. It is deployed on 21 chains: Ethereum, Solana, Avalanche, Base, Ronin, Arbitrum and others.

How much do users pay Chainlink in fees?

$5.6M over the last 30 days, according to DefiLlama on Sep 26, 2026.

Does Chainlink have a token?

Yes, LINK. Its market cap was $10.7B on CoinGecko on Sep 26, 2026. Educational content, not financial advice.

Sources

  1. Chainlink: official site
  2. Chainlink: Home
  3. Chainlink: GitHub repository
  4. CoinGecko
  5. DefiLlama

How this page works

Sources: Chainlink: official site, Chainlink: Home, Chainlink: GitHub repository. Data as of Sep 26, 2026.

How we review

Not affiliated with any project listed. Educational content, not financial advice.