Home News Chainlink: The One Blockchain Project That You Must Know

James Carter

26 Dec 2022

Chainlink: The One Blockchain Project That You Must Know

Chainlink is a decentralized oracle network that provides reliable, secure, and tamper-proof data to smart contracts on any blockchain. With Chainlink, developers can build smart contracts that can access off-chain data, such as real-world data, events, and payments. (Also Read: The Ultimate Guide to Doex)

Chainlink was created by Sergey Nazarov and Steve Ellis in 2014. The Chainlink network went live on the mainnet in May 2019. Since then, Chainlink has been adopted by major blockchain projects such as Ethereum, Polkadot, and Tezos.

How Does Chainlink Function?


The Chainlink network consists of two parts: on-chain and off-chain.
The on-chain part is the decentralized Oracle network, which is made up of Chainlink nodes.

These nodes are run by node operators, who stake LINK tokens to earn rewards for providing data to smart contracts.

The off-chain part is the data that is being provided to the smart contracts. This data can be anything from real-world events to payments.

The data is collected by Chainlink nodes and then passed to the smart contracts. The smart contracts can then use this data to execute their functions.

Why is chainlink Needed?

Chainlink is needed because blockchain-based smart contracts cannot access data from the outside world. They can only interact with the data that is on the blockchain.

This means that if a smart contract wants to use data from the real world, it needs to get that data from an external source. This is where Chainlink comes in.

Chainlink provides a secure and reliable way for smart contracts to access off-chain data. This allows developers to build more powerful and useful applications on the blockchain.

Who Uses chainlink?

Chainlink is used by major blockchain projects such as Ethereum, Polkadot, and Tezos. These projects use Chainlink to provide their smart contracts with access to off-chain data.

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In addition, there are a number of applications that have been built on top of the Chainlink network. These applications use Chainlink.

The Advantages of Chainlink

There are many advantages to using ChainLink, including:

Security: Chainlink is the most secure way to connect smart contracts to external data, events, and payments. With Chainlink, you can be sure that your data is accurate, tamper-proof, and reliable.

Flexibility: Chainlink is highly flexible, allowing you to connect to any data source, event, or payment network.

Scalability: Chainlink is scalable, so you can easily connect to multiple data sources, events, and payment networks.

Reliability: Chainlink is extremely reliable, with a 99.9999 percent uptime guarantee.

The disadvantages of Chainlink

Some of the main disadvantages of Chainlink include:

  1. Lack of adoption: While Chainlink has been around for a few years, it is still not as widely adopted as other Ethereum-based protocols such as MakerDAO or Compound. This lack of adoption means that there is still a relatively small pool of users and developers working on the Chainlink network, which could limit its growth in the future.
  2. Complexity: Another disadvantage of Chainlink is its complexity. Due to its decentralized nature, Chainlink can be quite difficult to understand and use for those who are not familiar with blockchain technology. This complexity could limit its adoption by non-technical users in the future.
  3. High transaction fees: One of the main criticisms of Chainlink is its high transaction fees. Due to the decentralized nature of the Chainlink network, transaction fees can be quite high, especially when compared to centralized alternatives.
  4. Centralized data providers: While the Chainlink network is decentralized, the data providers that it relies on are often centralized. This means that if one of these data providers were to go offline, it could have a significant impact on the Chainlink network as a whole.
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Despite these disadvantages, Chainlink remains a popular protocol among developers and users due to its unique features and advantages. With its decentralized nature, Chainlink has the potential to revolutionize the way that smart contracts are used on the blockchain.

Risk of Chainlink?

If you’re thinking about investing in Chainlink, you may be wondering if it’s worth the risk. After all, no investment is ever guaranteed, and there’s always the potential for loss. So, what are the risks associated with Chainlink? Here are a few things to consider:

1. Volatility. Like all cryptocurrencies, Chainlink is subject to volatility. This means that prices can fluctuate wildly, and you could lose money if you’re not careful.

2. Hackers. Because Chainlink is built on the Ethereum blockchain, it’s susceptible to the same hacking risks as Ethereum. This includes the risk of smart contracts being hacked and, of course, the risk of exchanges being hacked (which could lead to the loss of your LINK tokens).

3. Regulatory risk Cryptocurrencies are currently unregulated in most jurisdictions. This means that there’s a risk that governments could crack down on Chainlink or other cryptocurrencies in the future, which could lead to a loss of value.

4. Competition. Chainlink isn’t the only game in town when it comes to smart contract platforms. There are a number of other projects vying for market share, and Chainlink will need to continue to innovate to stay ahead of the pack.

5. Limited use case At present, Chainlink is mostly used for decentralized applications (dapps). However, its use cases are limited compared to some of the other smart contract platforms out there. This could limit its adoption and growth in the future.

These are just a few of the risks associated with Chainlink. Of course, there’s always the potential for other risks to emerging. So, if you’re thinking about investing in LINK, be sure to do your own research and only invest what you can afford to lose.

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How do I buy Chainlink?

If you’re looking to get started with Chainlink, one of the first things you’ll need to do is purchase some of the native LINK tokens. Here are the different methods you can use to buy LINK.

One of the most popular exchanges for buying and selling LINK is Binance. Binance is a centralized exchange that offers a variety of trading pairs, including LINK/BTC, LINK/ETH, and LINK/USDT.

If you’re looking for a decentralized exchange that supports LINK trading, you can try Kyber Network or Uniswap. Kyber Network is an on-chain exchange that allows you to trade LINK with a variety of other assets, while Uniswap is a popular decentralized exchange that offers LINK/ETH and LINK/USDC trading pairs.

Finally, if you’re looking to purchase LINK directly with fiat currency, you can do so on a few different exchanges, including Coinbase and Binance US. Coinbase supports LINK/USD and LINK/EUR trading pairs, while Binance US offers LINK/USD trading.


In this guide, we covered everything you need to know about Chainlink, from its history and underlying technology to how it works and its potential use cases. We also took a look at the LINK token and how it powers the Chainlink network. Overall, Chainlink is a very promising project with a lot of potentials. It is already being used by some major organizations and has the potential to change the way we interact with smart contracts. If you’re interested in getting involved with Chainlink, be sure to do your own research and due diligence before investing. (Also Read: 5 Must-Follow BTC Stocktwits)


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