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May 1, 2024 5 min read
Oracles: The Lifeline Between Smart Contracts and the Real World of API3
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P.S
Prachi Sharma
Writer

The world of Decentralized Applications (DApps) depends on the secure and transparent execution of code. Smart contracts, as the underlying machinery of these applications, need accurate data for their work to be successful. However, there is a fundamental limitation - smart contracts are closed systems and do not have access to external data sources like traditional APIs (Application Programming Interfaces). Oracles are the solutions for this, they act as an essential link between on-chain smart contracts and off-chain real-world data.

The Oracle Dilemma: Ensuring Secure and Reliable Data Feeds

Oracles are of great significance as they retrieve and deliver data from APIs to smart contracts. This data may include stock prices, weather updates, flight information and random number generation. Nonetheless, trust and security must be guaranteed when it comes to the data source. Oracles can be easily manipulated leading to deadly failures in smart contracts.

This is where API3 steals the show. Unlike the traditional oracle networks which rely on centralized servers, API3 uses a decentralized first-party oracle solution known as Airnode. Airnode enables the API providers to securely expose their APIs on-chain directly, which removes the need for intermediaries and reduces the risk of attacks significantly. This new way of doing things has many benefits:

1. API3 does not allow for a single point of failure or malicious attacks by removing centralized servers.

2. Data providers retain full control over their APIs and are free to define their own access and pricing rules, promoting trust and transparency.

3. API3's decentralized nature is the key to a scalable architecture that can accommodate an ever-growing number of API requests.

Real-World Examples

On-chain data use cases are many and they grow continuously. Let's look at some of the real-world cases that demonstrate the power of oracles and API3:

Decentralized Finance (DeFi)

Consider a DeFi lending platform that would adjust interest rates automatically depending on real-time market data from an oracle. API3 can connect this platform to financial APIs securely, thus making interest rate adjustments transparent and reliable based on the accurate off-chain data.

Supply Chain Management

Blockchain technology holds immense potential for revolutionizing supply chain management. Oracles can integrate with logistics APIs to track goods in real-time, providing transparency and streamlining operations. API3's decentralized approach ensures secure and tamper-proof data delivery, crucial for trust and reliability within a supply chain.

Predictive Maintenance

The data on performance and potential failures can be gathered through sensors embedded in the industrial equipment. This data is then passed to smart contracts which in turn activates the required preventive maintenance measures well before the occurrence of any critical breakdowns. API3 secure data feeds offer dependable information for proactive maintenance that lessens downtime and also enhances equipment lifespan.

These are just a few instances, and the sky is the limit. As the blockchain space keeps maturing, the need for on-chain data that is secure and reliable will only increase. API3's innovative way of decentralized oracles providesa possible answer, this being an avenue to be followed by smart contracts that can work well with the real world in future.

Data and Figures

The DappRadar report (January 2024) pointed out that the TVL in DeFi applications was over $200 billion, showing the rising need of secure and reliable oracles in DeFi.

A recent study by Gartner forecasts that a minimum of 20% of the world supply chain will use blockchain technology by 2025, once again highlighting the importance of oracles for reliable data integration.

In the last

Oracles, notably decentralized projects such as API3, are pivotal in the evolution of blockchain technology. Oracles serve as the connection between smart contracts and the physical world which allows for a whole new range of applications that introduce a new era of trust and transparency in decentralized systems. As blockchain technology adoption rate skyrockets, API3's decentralized oracle solution is an ideal candidate to play a major role in shaping the future that is more secure and interconnected.

P.S
Prachi Sharma
Writer
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