What I know about ChainLink in 7 minutes or less!

in LeoFinance3 months ago


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ChainLink technology aims to solve one of the biggest challenges for practical smart contract implementation, namely connecting blockchains to real-world data, such as pricing feeds or delivery confirmations, using Blockchain Oracle connectivity. From a series of cryptocurrencies with potential, today I'll try to tell you what I know about ChainLink.


WHAT IS CHAINLINK (LINK)?

ChainLink is a decentralized network of "oracles". External data providers who share the work on the network are called duplicated "oracles". These oracles allow smart contracts on ChainLink to receive accurate data from external (non-Blockchain) sources, such as any kind of API and other external data feeds. LINK is an ERC-20 token that is used to pay for and ensure the correctness of this oracle service on the ChainLink network.

ChainLink allows access to real-time data, events, and payments, and all of this happens without sacrificing the security and trust that are essential to Blockchain technology.

  Since 2017, when this cryptocurrency was created, ChainLink has so far succeeded in fulfilling its purpose of providing accurate external data to Blockchains. Even though it originated from Ethereum (ETH), ChainLink was designed to work on any Blockchain that has smart contract functionality. ChainLink does not operate its own Blockchain - instead, it is interoperable and runs simultaneously on several different Blockchains.


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CHAINLINK OPERATION

ChainLink uses a modern three-step process to enable communication between the Blockchain-based smart contracts it serves and external data sources. The process consists of:

STEP 1: ORACLE SELECTION

  A ChainLink user creates a Service Level Agreement (SLA) specifying a specific set of data requirements. ChainLink software then uses this SLA to match the user with the most appropriate oracle capable of providing the required data. Once the parameters are set, the user submits the SLA and submits their ChainLink cryptocurrency (LINK) into an order validation contract, which accepts bids from oracles.

STEP 2: DATA REPORTING

  This stage is where the oracle actually connects with external data sources to get the real-time data required in the ChainLink SLA. The data is then processed by the oracles and sent back to the contracts using a ChainLink service.

STEP 3: AGGREGATION OF RESULTS

  The final stage of the process is to calculate the results of the data collected by the oracles and return them to what is called the Aggregator Contract. The Aggregator Contract takes the data points, assesses the validity of each, and returns to the user (the smart contract) a weighted score using the sum of all the data received.

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FOUNDING OF CHAINLINK

ChainLink is created by a Blockchain-focused technology startup called SmartContract. It was founded in 2014 and its main goal is to leverage Blockchain technology, especially smart contracts to enter into contractual agreements that can be used by all industry participants, regardless of expertise and skill. The company is backed by San Francisco-based investment group Data Collective.

Sergey Nazarov is CEO and co-founder of the company. Prior to SmartContract and Chainlink, Sergey had a history in the space as the co-founder of Secure Asset Exchange. He also founded a fully decentralized email service called CryptaMail.

Steve Ellis is CTO and co-founder of the company. Ellis has worked with Nazarov before, on the Secure Asset Exchange platform, before joining this company. He is also an experienced software engineer who worked at [Pivotal Labs](Pivotal Labs) before joining the Blockchain sector.

  Another key founding member of the ChainLink team is Ari Juels, who, along with Nazarov and Ellis, wrote Chainlink's "white paper". A professor of computer science at Cornell Tech and director of IC3, Juels is currently an advisor to the ChainLink team.

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HOW IS CHAINLINK DIFFERENT FROM OTHER CRYPTOCURRENCIES?

  The Chainlink project has many differences that make it unique:

  • Architecture of ChainLink - The ChainLink network is part of this architecture, which connects all the nodes together. Each of these nodes is then connected to the pools via APIs to gather responses for each contract made through the ChainLink service.
  • All off-chain data is translated through ChainLink Core software. Thus, they are read on-chain without the need for translation. The SLAs sub-signatures are also processed by this software, meaning that the entire operation has the ability to take place either on-chain or off-chain.
  • ChainLink nodes - can have external adapters, helping to extend their connections to almost any third-party API endpoint.

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    HOW MANY CHAINLINK COINS (LINK) ARE IN CIRCULATION?

  ChainLink has a maximum fund of 1 billion LINK tokens. 35% of the fund was sold during the ICO in 2017. The rest was either allocated to the team for future development or sent to network nodes to boost the decentralized oracle network. Currently, according to CoinMarketCap, the total number of LINK coins in circulation is about ~467,099,970(47%). Unlike many other crypto assets, LINK has no process that increases its total number of available tokens.


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SECURING THE CHAINLINK NETWORK

  The Chainlink network is secured through a Proof of Stake (Pos) concept, where its validating nodes stake LINK to obtain data contracts and be rewarded by the network. Moreover, ChainLink's decentralized oracle network is secured by three types of custom-designed smart contracts:

  1. Aggregator Contract: this collects data from oracles and matches the most appropriate results to the smart contract that needs them.

  2. Order Matching Contract: these contracts match the best possible oracles to the service level agreement (SLA) of the smart contract they need.

  3. Reputation Contract: verifies the integrity of an oracle by checking its statistics, including: total number of completed requirements, average response time, and sum of LINK tokens measured by the oracle.

HOW CAN YOU USE CHAINLINK?

LINK is the ERC-20 token used to pay for services in the ChainLink oracle network. It essentially powers the ChainLink architecture itself. Contract holders making the request use LINK to pay node operators for their work in providing the necessary data. Prices are set by the ChainLink node operator based on the demand for the data it can supply and the current market.

  ChainLink's most developed functionality includes aggregated price feeds for cryptocurrencies and fiat currencies. To establish price feeds, ChainLink attracts external data providers, such as centralized and decentralized exchanges. ChainLink nodes then aggregate data from external providers to create a price update. Finally, this price-related data can be used by any smart contract with pre-established access. In this way, ChainLink can offer services to both data providers (who can sell their data) and data consumers, such as DeFi companies (who can use the data for smart contracts).


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CHAINLINK FEATURES

  ChainLink Blockchain can support the secure sharing of inputs, outputs, and computations. Some features of ChainLink include:

  • Supports decentralized data streams: data from multiple sources can be securely collected and processed for hybrid smart contracts.
  • Provides verifiable random sources: applications such as games that require secure cryptographic randomization can use ChainLink.
  • Enables automation: ChainLink smart contracts can automate key functions and event-driven tasks for enterprises.
  • Supports Cross-Blockchain interoperability: ChainLink can connect Blockchain platforms to support the exchange of specific messages, tokens and actions.

  ChainLink is solving a key problem in the cryptocurrency world, namely the "oracle problem". This comes from a problem of smart contracts on Blockchain networks and how they are completely isolated. Smart contracts frequently obtain external data from oracles, i.e. data points and APIs. ChainLink solved this problem when it was able to receive and distribute information from oracles without risking the security of the Blockchain on which the smart contracts run.

All images are sourced from the ChainLink's official brand-assets/media-kit and from Pixabay free to use.


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The above screenshot is taken from @heartbeatonhive's Alive Tribe curation post which you can find here! Shout out to @bradleyarrow Thank you for your continuous support!


Come join me, it's free! If you register on ListNerds using my link, I'll do everything in my power to get you going WITHOUT the mistakes I made in the beginning. Let's earn and grow together faster than ever before!
https://listnerds.com/@drlobes

This was also my first time using and including LeoGlossary in one of my articles. If you don't know about LeoGlossary just click here to have a look. Thank you @taskmaster4450 !

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Chainlink was the first one I took interest in after BTC and ETH. Mainly because there was an actual tech behind it.

I'm still holding LINK but I also invested in Kenshi, a tech company competing in the same field as LINK. KENSHI token has some really interesting tokenomics and a healthy-looking chart even though it hasn't been marketed yet.

Really liking these ones with the actual products!

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Chainlink is already proven that it works and it works well and they are way ahead of any other competitors, but I do love the idea of investing early in upcoming projects, especially ones that as you said offer "actual useful products". I'll start digging about KENSHI, thanks for the info and thanks for stopping by!

You're welcome! Kenshi official homepage is a place to start digging if you are interested.
!CTP

Be sure I will, most probably tomorrow early morning! CHEERS!

I had briefly read about Chainlink, because of Coinbase. With passing time, I kind of don't refer to Coinbase much if at all.

Like your post about it. It definitely seems like one I should definitely be following up on.

@drlobes
!CTP

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Most people don't know that most or many blockchains with their dex/exchanges won't be able to work if Chainlink would suddenly disappear. They offer so much in terms of infrastructure, interconnectivity, and live data. When you get the chance, you should investigate a bit more about them. And the other one is Quant with the QNT token, I'll probably write something about it, but if you're in the mood to digg, digg about these two! 😁

Please dont let the cat out of the bag on this one! Its one of my moon picks!

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The cat has been out of the bag for a long time but because their token didn't have many high spikes in price people think they are a low performer, they have no idea what Chainlink is already doing. If LINK is your moon pick, I wonder if you have Quant/QNT as well in that bag!

OMG! don't give all my picks away!! LOL

Ohh bollocks, let me edit the post then. 😆🤣

I will fill my bags on the next leg down! they could x100! LOL

!BBH

!ALIVE

!CTP

@drlobes! You Are Alive so I just staked 0.1 $ALIVE to your account on behalf of @bradleyarrow. (4/30)

The tip has been paid for by the We Are Alive Tribe through the earnings on @alive.chat, feel free to swing by our daily chat any time you want.

Thanks for the information. I will definitely check chainlink out.

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Good to hear that, they are a project here to stay no matter what happens with the prices on the crypto markets, and they are being used outside of crypto as well. Thanks for stopping by!

Yay! 🤗
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honestly dear @drlobes I still dont understand all this krypto "stuff" but I am sure, this is a great post and maybe some far away day I will know, what you and @mypathtofire are talking about
!ALIVE

@drlobes! You Are Alive so I just staked 0.1 $ALIVE to your account on behalf of @beeber. (4/10)

The tip has been paid for by the We Are Alive Tribe through the earnings on @alive.chat, feel free to swing by our daily chat any time you want.

I'm sure that day you're talking about is not that far. Thank you so much for your reply!

I like that you used so many links, especially from LeoGlossary for the first time. Well done!

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I think I've overdone it a bit and halfway I tried not to link again words that had already been linked above.
Now I'm thinking if it would be a good idea for my next article, at the end just to post a glossary with words and expressions that might need explaining to some people, or should I keep linking them on the main text, can't decide yet.

Create your own glossary, like Leoglossary, if you think it will have different terms. No reason to explain them in the same post, doesn't help.

I also thought at some point I overused them. Needs to be a balance of text and links.

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I have heard of chainlink but I didn't conduct enough research to invest in the project. I have read many interesting technological innovations that give Chainlink great value. Thank you for sharing this article.
Peace

When time allows you maybe you should take a deeper look into it, Chainlink is here to stay because they offer something useful and needed for so many other projects and not only in crypto but the financial sector, betting platforms and been more...

Thanks for your comment and for stopping by!