How the Chainlink Network Goes Beyond Data Delivery

This article was first published on Chainlink
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How the Chainlink Network Goes Beyond Data Delivery

Oracles are commonly thought of as blockchain middleware that enable smart contracts to access external data—yet oracle networks, as they exist within Chainlink’s model, are much more than data delivery mechanisms. Through a wide-range of off-chain computational abilities, Chainlink's decentralized oracle networks are providing blockchains with decentralized services that go far beyond securely fetching external data.

From Chainlink’s widely adopted Data Feeds, an extensive collection of on-chain price oracles for DeFi smart contracts, to Chainlink VRF, which generates a verifiable source of randomness for dynamic NFTs, to Chainlink’s highly customizable external adapters, the Chainlink Network is supporting a rapidly-expanding array of key oracle functions that are enhancing the capabilities of smart contracts across numerous blockchains and layer-2 networks.

In his recent presentation at the 2021 ETHDenver Hackathon, Chainlink Co-founder Sergey Nazarov emphasized the expansive functionality of decentralized oracle networks and how Chainlink-powered off-chain computations service a wide variety of smart contract use cases, from DeFi to parametric insurance to blockchain-based gaming.  The following is an excerpt of Sergey's talk highlighting a key takeaway that the Chainlink Network goes far beyond data delivery to power new features and applications for the fast-growing blockchain economy.


Chainlink is not just about data—it is about an oracle network—and oracle networks are responsible for everything that blockchains are not responsible for. An oracle network is not just about delivering data. It is about providing all the tools and services needed by a contract. Smart contracts run on blockchain platforms are hyper-secure and hyper-reliable, but they are low on feature-richness for security reasons. Oracles extend the capabilities of blockchains by offering decentralized services like off-chain computation.

Centralized systems have completely lost people's trust in many cases and will continue to lose people's trust in almost all cases. Centralized services from social media ...

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