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What is a Chainlink node?

What is a Chainlink Node?

A Chainlink Node serves as a way for Ethereum Smart Contracts to bring in data from External APIs. For example, If a Smart Contract needs the current price of Gold, it can ask a Chainlink Node to provide it with that data. For increased security a smart contract can ask multiple nodes for answers and make sure they are identical.

Anatomy of a Chainlink Node

To function properly a Chainlink Node has to two parts that need to be configured. An adapter, which talks to APIs and manipulates data and a Job. 

Chainlink Node Adapters

Adapters define how a Chainlink node interacts with a given API. An example is the Multiply Adapter. This adapter allows a node to multiply an API result by a certain amount. Every Chainlink Node has some adapters built in by default, but they also have the ability to add their own custom external adapters.

Chainlink Node Jobs

Chainlink Nodes each provide different types of data. When showcasing their offerings they provide a list of Supported Jobs. Each Job they support. A Node that provides that value of Gold can list that as it’s job.

Job Specification

Each Chainlink Node lays out Job Spec, which is a pierce of work that can be completed by an Oracle Node.

Chainlink Reviewed Nodes

Nodes can choose to be reviewed by the Chainlink team. The benefits of becoming a reviewed node is being listed in the Chainlink Documentation and getting added to the Chainlink Explorer. Becoming verified is not a requirement to run a node. It is a purely optional way of signaling.


How will Staking work with Chainlink Nodes

Who can run a Chainlink Node?

Anyone can run a Chainlink Nodes, although it requires a high degree of technical knowledge.

How to become a Chainlink reviewed node

If a node wants to become verified by the Chainlink team it must complete certain steps. The Chainlink Documentation lays out exactly what needs to happen. Basically it boils down to completing a Technical review and successfully running a node on the Chainlink Testnet.

Can I stake on a Chainlink Node

Once staking functionality is released you will be able to stake Chainlink on Nodes. However these nodes must add support for Staking, and there may be limited space. List of Chainlink Staking nodes.

Chainlink Nodes vs Tezos Nodes

Chainlink Nodes operate in a very different way compared to Tezos Nodes. 

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We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with SmartContract Chainlink Ltd, or any of its subsidiaries or its affiliates. The official Chainlink website can be found at https://chain.link. The name Chainlink as well as related names, marks, emblems and images are registered trademarks of their respective owners.