What is Chainlink?

Karolina

23 Jan 2024
What is Chainlink?

At the heart of blockchain's functionality are smart contracts, self-executing contracts with the terms of the agreement directly written into code. While smart contracts have the potential to automate and streamline a wide range of processes, they are inherently limited by their inability to access real-world data or external systems on their own. This is where Chainlink enters the scene, offering a groundbreaking solution to one of the most pressing challenges in the blockchain ecosystem.

Chainlink is a decentralized oracle network designed to bridge the gap between smart contracts on the blockchain and real-world data. It acts as a middleware, allowing smart contracts to securely and reliably interact with external data feeds, web APIs, and traditional bank payment systems. This capability is crucial for the execution of smart contracts under specific conditions that depend on real-time information, such as market prices, weather data, or other external APIs.

Historical Background and Development

Launched in June 2017 by the company SmartContract, Chainlink was conceived to create a secure, blockchain-agnostic layer. Layer that facilitates data exchange between blockchains and the outside world. Co-founded by Sergey Nazarov and Steve Ellis, Chainlink aims to solve the oracle problem. This problem is the challenge of providing smart contracts with accurate and tamper-proof data without sacrificing decentralization or security.

Oracles play a critical role in the functionality of smart contracts. It acts as a data feeds that trigger contract execution upon the fulfillment of predefined conditions. However, relying on a single source of truth or a centralized oracle can introduce points of failure and security vulnerabilities. Chainlink addresses these concerns by creating a network of decentralized oracles.

By enabling seamless interaction, Chainlink opens up new avenues for blockchain integration across various sectors. For example finance, insurance, and supply chain management.

The Problem with Smart Contracts

Smart contracts are powerful tools that automate the execution of agreements on the blockchain, ensuring that transactions are processed when predefined conditions are met. However, a significant limitation arises from their inability to natively access or verify external data. This means that without an intermediary, smart contracts cannot interact with any information or systems outside their native blockchain. This limitation severely restricts the scope of applications for smart contracts, confining them to operations that only rely on data available within the blockchain.

The Solution: Decentralized Oracles

Oracles serve as bridges between the blockchain and the external world, enabling smart contracts to access off-chain data. However, traditional oracles introduce a central point of failure, undermining the decentralized nature of blockchains. Decentralized oracles, on the other hand, mitigate this risk by sourcing data from multiple, independent oracles and aggregating it before feeding it to the smart contract. This approach not only maintains the integrity and security of the data but also preserves the decentralized ethos of blockchain technology.

Source: Chainlink Website

Decentralization: Ensuring Data Integrity and Security

Chainlink's decentralized architecture is foundational to its ability to provide secure and reliable data to smart contracts. By distributing the data sourcing and aggregation process across multiple nodes, Chainlink ensures that the data remains tamper-proof and reflective of true market conditions, thereby maintaining the integrity and security of the data provided to smart contracts.

Flexibility: Adaptable to Various Blockchains

One of strengths is its blockchain-agnostic design, allowing it to serve as an oracle solution for any blockchain. This flexibility is crucial for the widespread adoption of blockchain technology, as it enables Chainlink to support a diverse range of applications across different blockchain environments, facilitating seamless data integration and interoperability.

Trustworthiness: Reputation System for Node Operators

Chainlink incorporates a comprehensive reputation system that monitors the performance and reliability of node operators. This system incentivizes nodes to provide accurate and timely data, as their reputation and the potential for future earnings are directly tied to their performance. This not only ensures the reliability of the data provided to smart contracts but also fosters a trustworthy ecosystem of oracle services.

LINK is the native cryptocurrency token of the Chainlink network, designed to facilitate the various operations within its ecosystem. As an ERC-20 token on the Ethereum blockchain, LINK is used as the primary medium of exchange for services on the Chainlink network. It plays a crucial role in ensuring the proper functioning of the decentralized oracle network by compensating node operators for retrieving data, formatting it, and guaranteeing uptime by staking LINK as collateral.

Source: CoinMarketCap
  • Node Operator Payments. LINK tokens are used to compensate Chainlink node operators for their efforts in providing secure and reliable data to the smart contracts. This includes rewards for retrieving data, processing queries, and ensuring the data's integrity.
  • Staking. Although staking is a feature that is being progressively introduced into the Chainlink ecosystem, it represents a significant use case for LINK tokens. Staking involves locking up LINK tokens as a form of security deposit to guarantee the performance and reliability of node operators within the network.
  • Governance. In future developments, LINK might also play a role in the governance of the Chainlink ecosystem, allowing token holders to vote on key decisions and protocols within the network.

Key Takeaways

Key TakeawayDescription
FunctionalityChainlink addresses the oracle problem, providing a secure bridge between smart contracts and external data sources.
Decentralized OraclesUtilizes decentralized oracles to ensure data integrity and security, mitigating the risk of centralized points of failure.
LINK CryptocurrencyLINK tokens facilitate operations within the Chainlink ecosystem, including compensating node operators and potentially governing the network.
Key Takeaways

Conclusion

Chainlink represents a pivotal innovation in the blockchain ecosystem, addressing the critical "oracle problem" by providing a secure bridge. Its decentralized oracle network ensures that smart contracts can interact with the real world in a trustless manner. This opens up a myriad of possibilities for automation and decentralized applications.

In essence, Chainlink not only broadens the scope and functionality of smart contracts but also embodies the decentralization and security principles of blockchain technology. Its ongoing development and adoption are testament to the blockchain community's recognition of the need for data exchange mechanisms.

If you are interested in utilizing Chainlink or other blockchain-based solutions for your project, please reach out to contact@nextrope.com

FAQ

What is the problem that Chainlink aims to solve?

  • Chainlink addresses the limitation of smart contracts by providing them with access to real-world data and external systems, enabling them to execute based on real-time information securely.

How does Chainlink work to bridge the gap between smart contracts and external data sources?

  • Chainlink utilizes a decentralized oracle network to securely and reliably interact with external data feeds, web APIs, and traditional bank payment systems, acting as a middleware between smart contracts and the real world.

What are the key features of Chainlink?

  • Chainlink's key features include decentralization, ensuring data integrity and security; flexibility, being adaptable to various blockchains; and trustworthiness, incorporating a reputation system for node operators to maintain a reliable ecosystem.

More about this Topic on Nextrope Blog

  1. Chainlink vs Polkadot
  2. NFT and Gaming: Chainlink Use Cases
  3. Chainlink in DeFi: Use Cases
  4. Chainlink vs. Avalanche: Exploring the Blockchain Frontier
  5. Authorization and Identity: Chainlink Use Cases
  6. Chainlink and On-Chain Finance Use Cases

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Nextrope Launches “AI-Powered Smart Contract Auditing” Project

Miłosz Mach

03 Mar 2025
Nextrope Launches “AI-Powered Smart Contract Auditing” Project

Next Enterprises Sp. z o.o. is implementing a project co-financed by the European Funds, titled "Smart Contract Auditing with Artificial Intelligence". The goal of the project is to develop and deploy an advanced AI model that enables efficient analysis, vulnerability detection, and security auditing of smart contracts, taking into account their complexity and uniqueness.

Planned Project Tasks:

  • Development of an AI model trained on Solidity keywords;
  • Creation of an effective model in simulated conditions;
  • Analysis of the unpredictability of compiled code execution within the Ethereum Virtual Machine (EVM) in the context of the developed model in a controlled environment;
  • Validation of the model in real-world conditions.

Target Groups:

  • Specialized audit firms focused on smart contract security;
  • Companies developing and/or deploying smart contracts on various platforms;
  • Exchanges, wallet providers, and decentralized applications (dApps) in the blockchain sector;
  • Government agencies or industry compliance bodies responsible for blockchain technology regulation;
  • Smart contract security specialists and developers.

The implementation of the developed tool will enable automated and efficient auditing of smart contracts. The model will provide detailed insights and recommendations for optimizing transaction costs and improving contract performance. As a result, users will be able to make informed decisions, enhancing security and operational efficiency within the blockchain ecosystem. Key benefits stem from the model’s training on smart contract code, audit data, and detected vulnerabilities. Additionally, the incorporation of chaos theory principles will allow for more precise risk and anomaly forecasting.

By deploying this advanced AI model, the project will enhance the security, efficiency, and accessibility of blockchain technology for end users. This will translate into tangible social and economic benefits, including:

  1. Economic Security
  2. Business and Financial Security
  3. Increased Public Trust
  4. Optimization of Transaction Costs
  5. Support for Innovation and Entrepreneurship
  6. Education and Public Awareness

Project Value: 4,173,953.24 PLN
European Funds Contribution: 3,090,156.39 PLN

#EUFunds #EuropeanFunds

Challenges in Smart Contract Auditing

Smart contracts have become a fundamental component of blockchain technology, eliminating intermediaries, and automating processes. However, their growing significance also introduces new challenges, particularly in ensuring security and compliance with industry standards.

Traditional smart contract audits rely heavily on manual code reviews, which are expensive, time-consuming, and prone to human error. As cyber threats continue to evolve, the use of advanced technologies to support the auditing process is imperative.

The Role of AI in Data Analysis

Artificial intelligence (AI) introduces a new paradigm in smart contract security assessment by leveraging its capability to process vast amounts of data and identify patterns that may go unnoticed with traditional auditing methods. AI enables:

  • Automated code analysis and real-time detection of potential vulnerabilities,
  • Optimization of auditing processes by reducing human errors and improving threat identification efficiency,
  • Better adaptation to evolving regulatory requirements and emerging threats within the blockchain ecosystem,
  • Rapid analysis of large datasets, allowing for quick insights and the detection of non-obvious dependencies in smart contract code.

By utilizing AI, the auditing process becomes more comprehensive, precise, and scalable, enabling continuous risk monitoring and adaptation to new attack vectors.

A New Era of Smart Contract Security with AI

With the support of European Funds under the European Funds for a Modern Economy (FENG) program, we are conducting research on next-generation blockchain auditing methods, reinforcing Nextrope’s position as a leader in innovative technology solutions.

The "Smart Contract Auditing with Artificial Intelligence (AI)" project contributes to key aspects of blockchain security by:

  • Automating smart contract audits, accelerating verification processes, and improving their accuracy,
  • Optimizing costs, making professional audits more accessible to a broader range of entities,
  • Raising security standards and enhancing regulatory compliance,
  • Increasing trust in smart contracts, fostering broader technology adoption.

Interested in learning more about our project or discovering how to utilize AI in your company? 📩 Contact us at contact@nextrope.com for further details!

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How NOT to Create a DAO: Common Pitfalls You Should Avoid

Kajetan Olas

27 Dec 2024
How NOT to Create a DAO: Common Pitfalls You Should Avoid

Decentralized Autonomous Organizations (DAOs) represent a fundamental shift in how communities, companies, and initiatives can coordinate efforts, funds, and decisions on the blockchain. By leveraging transparent smart contracts and on-chain governance mechanisms, DAOs aim to distribute authority, reduce overhead, and foster a more democratic decision-making process. However, building a successful DAO isn’t just about cutting-edge tech or grand ideas—it also requires a clear vision, well-crafted governance rules, and a strategically engaged community.

In this article, we’ll take a counterintuitive approach by highlighting how not to create a DAO. By focusing on common pitfalls—from legal oversights to governance missteps—we can better understand what truly contributes to a thriving, sustainable DAO. This perspective aligns with the importance of recognizing cognitive biases, such as insensitivity to base rates and the conjunction fallacy, which often lead enthusiastic founders to overlook real-world data and complexity. Avoiding these traps can be the difference between launching a resilient DAO and watching an ambitious project crumble under misaligned structures or unmet expectations.

2. Missing the Governance Threshold Mark

Governance Thresholds Gone Wrong

Governance thresholds dictate how many votes or what percentage of voting power is needed to pass a proposal within a DAO. Striking the right balance here is crucial. Thresholds that are set too high can stifle progress by making it nearly impossible for proposals to succeed, effectively discouraging member participation. On the other hand, thresholds that are too low can lead to frivolous proposals or constant voting spam, making governance more of a burden than a benefit.

When designing your DAO’s thresholds, consider:

  • Community size and engagement levels: Larger communities might handle higher thresholds more comfortably, while smaller groups may benefit from lower requirements to encourage active participation.
  • Type of proposals: Operational decisions may need a lower threshold, whereas critical changes (such as tokenomics or treasury management) often require more consensus.
  • Voter fatigue: The more frequently members are asked to vote—and if it’s too easy to put forward proposals—the greater the risk of apathy or disengagement.

Over-Complex vs. Over-Simplified Governance

It’s tempting to either pile on complicated governance rules or oversimplify them to keep decision-making quick. However, both extremes can be problematic. Simplicity in governance is key to enhancing clarity and participation. Overly complex smart contracts and procedural layers can dissuade newcomers from getting involved, while an oversimplified model might fail to address potential conflicts or security vulnerabilities.

Some issues to watch out for:

  • Complex Smart Contracts: More code means more potential bugs and greater difficulty in auditing or updating governance logic.
  • Opaque Voting Processes: If members can’t easily understand how votes are tallied or how proposals are introduced, engagement drops.
  • Excessive Centralization in “Simple” Models: In trying to streamline governance, some DAOs inadvertently concentrate power in the hands of a few decision-makers.

Ultimately, aiming for a balanced governance framework—one that is easy enough for members to participate in but comprehensive enough to protect the DAO from abuse—is central to avoiding the pitfalls of governance threshold mismanagement.

3. Underestimating Legal and Regulatory Aspects

Legal Wrappers and Compliance

Building a DAO without considering legal and regulatory frameworks is a common recipe for disaster. While decentralization is a powerful concept, it doesn’t absolve projects from potential liabilities and compliance obligations. Assigning your DAO a formal legal wrapper—whether it’s a foundation, a cooperative, an LLC, or another entity type—can help mitigate personal risks for contributors and align your organization with existing regulatory regimes.

Failing to think through these details often leads to:

  • Personal Liability for Founders: Without a proper legal entity, core contributors might become personally responsible for any legal disputes or financial mishaps involving the DAO.
  • Regulatory Crackdowns: Governing bodies worldwide are actively monitoring DAOs for compliance with securities laws, anti-money laundering (AML) regulations, and tax obligations. Ignoring these can lead to penalties, fines, or forced shutdowns.

Non-Existent or Inadequate Documentation

Equally problematic is the lack of clear documentation outlining the DAO’s legal structure and operational protocols. From voting procedures to treasury management, every aspect of the DAO’s lifecycle should be properly documented to reduce ambiguity and help new members understand their responsibilities. Inadequate documentation or outright neglect can create:

  • Confusion Over Roles and Responsibilities: Without explicit definitions, it’s easy for tasks to fall through the cracks or for disagreements to escalate.
  • Inability to Enforce Rules: DAOs rely on both smart contracts and social consensus. Formalizing rules in documentation helps ensure consistent enforcement and prevents unwelcome surprises.

In short, underestimating the legal dimension of DAO creation can derail even the most innovative projects. By proactively addressing legal and regulatory considerations—and maintaining thorough documentation—you not only protect core contributors but also fortify trust within your community and with external stakeholders.

Overlooking Community Building

The Importance of Community Engagement

A DAO, at its core, is nothing without an active and supportive community. Driving grassroots enthusiasm and participation is often the deciding factor between a thriving DAO and one that fizzles out. Yet, it’s surprisingly easy to underestimate just how vital it is to nurture community trust and engagement—especially during the early stages.

Some common pitfalls include:

  • Treating Community Members as Passive Observers
    Instead of viewing your community as a dynamic force, you might slip into a one-way communication style. This discourages members from taking initiative or contributing fresh ideas.
  • Lack of Clear Roles and Channels
    Without well-defined roles and open communication channels—like forums, Discord servers, or governance platforms—members can feel confused about where to participate or how to add value.
  • Ignoring Early Feedback
    In a DAO, the “wisdom of the crowd” can be a powerful asset. Overlooking or trivializing user feedback can lead to missed opportunities for innovation and improvement.

Failing to Incentivize Properly

Well-structured incentives lie at the heart of any successful DAO. Whether you’re offering governance tokens, staking rewards, or recognition badges, these incentives must be aligned with the DAO’s long-term goals. Misalignment often causes short-sighted behavior, where participants chase quick rewards rather than contributing meaningfully.

  • Overemphasis on Token Speculation
    If the primary draw for community members is the promise of quick token price gains, you risk attracting speculators instead of builders. This can lead to fleeting participation and sell-offs at the first sign of trouble.
  • Neglecting Non-Monetary Rewards
    Recognition, social standing, and meaningful collaboration can be just as powerful as financial incentives. When a DAO fails to provide pathways for skill development or leadership, member engagement wanes.
  • Cognitive Bias Traps
    Biases such as the conjunction fallacy can mislead founders into believing that if multiple positive outcomes are possible (e.g., rising token prices, active participation, mainstream adoption), then all those outcomes will inevitably happen together. This wishful thinking can blind DAOs to the need for thoughtful, data-driven incentive models.

To avoid these pitfalls, DAO creators must actively foster a culture of transparency, collaboration, and mutual respect. By setting clear expectations, leveraging diverse incentive structures, and consistently involving community feedback, you ensure members are motivated to contribute more than just their votes—they become co-creators in the DAO’s shared vision.

5. Ignoring Technical Considerations

Token Standards and Governance Frameworks

A solid technical foundation is essential when you create a DAO, particularly if it involves on-chain governance. Selecting the appropriate token standards and governance frameworks can significantly impact your DAO’s security, efficiency, and scalability.

Some pitfalls to watch out for include:

  • Choosing Incompatible Token Standards
    If your DAO relies on a token that isn’t easily integrated with governance contracts or lacks upgradeability, you might face roadblocks when implementing new features or patching vulnerabilities.
  • Underestimating Smart Contract Complexity
    Even “simple” governance tokens can hide complex logic behind the scenes. Overlooking these complexities may result in bugs, lockouts, or exploits that harm the DAO’s reputation and finances.
  • Ignoring Off-Chain vs. On-Chain Dynamics
    Governance strategies often combine on-chain decisions with off-chain discussions (e.g., using platforms like Discord or forums). Failing to synchronize these two spheres can fracture community engagement and hamper decision-making.

Poor Architecture and Security

Robust security isn’t just about preventing hacks—it's about building an architecture that can adapt to evolving threats and changing community needs.

Key oversights include:

  • Inadequate Auditing
    Smart contracts require thorough reviews, both automated and manual. Rushing to mainnet deployment without proper audits can lead to major losses—financial, reputational, or both.
  • No Contingency Plans
    If a vulnerability is discovered, how will you respond? Lacking emergency procedures or fallback governance mechanisms can leave a DAO paralyzed when critical decisions must be made quickly.
  • Over-Engineered Solutions
    While security is paramount, over-complicating the DAO’s architecture can create unintended vulnerabilities. Keeping your setup as simple as possible reduces attack surfaces and makes it easier for community members to understand and trust the system.

In short, technical considerations form the bedrock of a functional DAO. Choosing appropriate token standards, thoroughly auditing contracts, and designing for both present-day and future needs are non-negotiable steps in avoiding costly pitfalls.

Best Practices and Lessons

When studying successful DAOs, certain themes emerge time and again. According to Aragon the most robust DAOs share a commitment to simplicity, iteration, and transparent governance. Instead of rolling out overly sophisticated models from day one, they evolve and adapt based on community feedback and real-world performance.

Here are a few best practices worth emulating:

  • Iterative Approach to Governance
    Start small and build up. Launch a Minimal Viable DAO (MVD) to test voting processes, incentive mechanisms, and proposal management. Gather community feedback and refine before taking bigger steps.
  • Simple, Transparent Rules and Processes
    Ensure proposals are easy to understand and that the voting process is accessible to all token holders. Overly complicated frameworks can dissuade new members from participating.
  • Clear Roles and Shared Responsibilities
    Define contributor and community member roles early on. Whether you rely on working groups, committees, or elected leaders, clarity prevents power vacuums and fosters collaboration.
  • Open Communication and Education
    From Discord channels to public documentation, keep conversation and learning at the heart of your DAO. Encourage members to ask questions, propose improvements, and take leadership roles.

Academic Perspectives

Beyond practical experience, a growing body of research offers theoretical insights that can strengthen DAO governance. The discusses emerging patterns in DAOs, including how incentives and on-chain rules interact with off-chain social dynamics. By examining these findings, DAO creators can better anticipate challenges—like voter apathy, whale influence, or collusion—and integrate solutions from the outset.

Incorporating academic perspectives can help:

  • Validate Governance Assumptions
    Empirical data and rigorous analyses can confirm or challenge the assumptions behind your DAO’s architecture, preventing costly mistakes.
  • Stay Ahead of Regulatory and Social Shifts
    Academics often explore how upcoming policies or societal trends might impact DAOs, offering a forward-looking lens that day-to-day builders might miss.
  • Establish Credibility
    Aligning your DAO’s structure and operations with recognized research signals professionalism and thoroughness, potentially attracting more serious contributors, partners, and investors.

Conclusion

As you can see, creating a DAO involves more than just deploying a smart contract and distributing tokens. By examining these common pitfalls—from poor governance thresholds to inadequate legal structures, from neglecting community engagement to disregarding technical complexities—you gain a clearer picture of what not to do when you set out to create a DAO. Failing to address these areas often leads to compromised security, stalled decision-making, regulatory headaches, or outright community collapse

At Nextrope, we specialize in tailored blockchain and cryptocurrency solutions, including DAO creation and tokenomics design. If you’re looking to avoid these common pitfalls and build a thriving DAO that stands the test of time, feel free to contact us or explore more resources on our blog.