THE CHAINLINK BLOCKCHAIN

Just like every other existing blockchain, Chainlink is a decentralized system that comes with a special feature which has wow so many in the blockchain world. It is seen to have the capacity to provide information and data from an off-blockchain sources to on-blockchain smart contracts by the use of fierce and time-tested Oracle solutions. We all know smart contracts are built on blockchains which are completely immutable, verifiable and open source which guarantees trust. On the other hand, Oracles are like intermediaries (just like the role played by humans in a centralized system) which conveys data/information from the off-chain to on-chain smart contracts on the blockchain and verse visa.

Chainlink is also one of the known decentralized platforms which is seen to be the future of smart contracts in the blockchain world. It runs an oracle solution that powers and enables other emerging smart contracts just like the DeFi, gaming Insurance etc. This became evident in the launch of the Chainlink 2,0 whitepaper which is tagged as the foundation of hybrid Smart contract_The future of decentralized Oracle networks. Since the launch of its revolutionized platform, it has continued to attract the attention of leading blockchain and spiking innovations across the Smart contracts community.

This is to say that the rejuvenated Chainlink Oracle have the capabilities which is not seen in any blockchain with such offerings. This capabilities are seen to serve as secure off-chain computation layer that depend partly on the blockchain but still guarantees connectedness, feature-richness and scalability of off-chain systems which is seen as that confidence boost required in a full decentralized system. The ever expanding Chainlink blockchain network is gearing up for more innovative protocols across other blockchain systems by availing some array of key Oracle functions as follows:

• Chainlink Price Feeds: This feed helps in providing detailed and expanded On-chain financial data information for Large, Mid and small Capital assets which helps in securing Fiats for some major DeFi applications like the dYdX and Synthetix.
• Chainlink Proof of Reserve: This tool works effectively with the chainlink price feeds in providing on-chain data feeds which helps smart contracts to perform audits of tokenized assets reserves especially the stablecoins, (Examples include PAX, TUSD).
• Chainlink External Adapters: This tool provides connection that aid developers to have off-chain access to any resource or API.

Some Other Unique Features of Chainlink

• Chainlink has a seamless connection to synchronize on any existing system, with capacity to retrieve data from any API and flexibility to integrate with any blockchain.
• Chainlink is a full decentralized platform with tamper-proof network protocols. When a system is decentralized it guarantees trust, transparency, ensures premium data and cryptographic proofs which ensures connectivity to any smart contract.
• Chainlink works with battle-hardened and verified time-tested oracle solutions which has capacity to secure assets in the blockchain protocols.

How Do I know If Chainlink is really a Decentralized system

Most times, the developer of this project may make it look as if the blockchain is a complete decentralized system whereas they are partially centralised. With this process, one would know if any chosen Blockchain is decentralized or not.

This is the contract address for Chainlink: 0x514910771af9ca656af840dff83e8264ecf986ca

• This process can be initiated by logging into
  https://etherscan.io
  .- Input the Chainlink Contract address and click on the search icon.

• Click on the contract details icon as displayed on the image.

• then search for function destruct.

From the search, there's no function destruct. This clearly shows that Chainlink is a complete decentralized system.

THE CARDANO BLOCKCHAIN

Cardano is also an open source blockchain where smart contracts are run and built on and not leaving other decentralized protocols. It was designed by a team, headed by the co-found of the Ethereum blockchain (Charles Hoskinson) who in amazement did not come up with any white paper which usually serves as a long term guide to the performance of any blockchain project. It is a Proof-of-Stake blockchain system which happens to be the first to be integrated and built through the peer-reviewed research with growth from its evidence based methodology.

Cardano was seen to be the first blockchain to use the Ouroboros which is the first peer-reviewed, verifiable secured blockchain protocol. Cardano use of the Ouroboros is because of the capabilities to enable its blockchain to conveniently allow a smooth scale to global requirements and hence ensuring that security of its systems are not compromised.

A proof of stake here shows that allows nodes with the highest stakes to create transaction blocks. The Cardano blockchain is built on a tireless effort , foundational research and on a secured and open source system which portrays transparency and trust. It went a little further to ensure that power and control are well distributed for fairness and inclusiveness.

Benefits Of the Cardano Blockchain

• This blockchain has done much to restore trust and transparency to global systems especially the financial systems through creating a more robust and sustainable foundation for individuals, systems and entities to transact,govern and grow respectively.
• It serves an open, transparent and brings inclusiveness for a sustainable and fairly distribution of global innovations.
• Due to the nature of blockchain technology as seen in the first and second generation systems, Cardano blockchain (Popularly seen in the third generation blockchain) has prioritized optimizing issues bothering on Interoperability & Sustainability which was seen in the 1st and 2nd generation blockchains.

Conclusion
Both Chainlink and Cardano are decentralized systems with public and open source blockchain which allows the build up and running of smart contracts on it protocols. Chainlink blockchain on the other hand allows an off-chain resource of data and information flow to/from an on-chain Blockchain smart contracts. This is a feature powerfully seen in the Chainlink which is powered by a hardened and time-yested Oracle protocols.
Whereas, Cardano has leveraged in building successes in Interoperability & Sustainability in the blockchain which is an enhancement on the first and second generation blockchain.

Thank you Prof @alphafx, this is my entry.

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