DeFi Security and Its Impact on User Trust

HatsFinance
7 min readSep 20, 2024

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Centralized finance might offer a certain level of efficiency, but if you plan to transfer funds from one place to another, the route is not direct. Your assets, even in the case of a single transaction, often go through a chain of third-party service providers. This chain not only slows down the transaction, charges service fees, and is not 100% secure.

That’s where decentralized finance or DeFi can work wonders. DeFi has emerged as one of the most innovative forces in the financial industry. It offers peer-to-peer financial transactions without all the intermediaries. However, with this innovation comes significant security challenges.

This article provides an in-depth study about DeFi security, why it is critical, and how it impacts user trust, illustrated by a detailed case study of a prominent DeFi security breach.

What is DeFi Security?

Decentralized Finance, or DeFi, leaves behind traditional ways of making financial transactions. Without relying on central authorities, financial institutions, or intermediaries like banks or brokerages, it allows people to send, purchase, and exchange assets through digital platforms. It represents a system of financial products built on top of decentralized and open-source blockchain.

Mainly built on cryptography, blockchain technology, and smart contracts, DeFi does not work on banks but codes that run and act as a bank. It is open to anyone, cheaper than traditional finance, censorship-resistant, and you are allowed to read through the code and make sure it is not a scam.

If you are wondering how DeFi works, then it uses smart contracts to create financial applications. The users are allowed to access financial services like lending, borrowing, trading, and earning interest directly from their digital wallets.

Key Components of DeFi Security

DeFi platforms operate without traditional intermediaries, which makes them dependent on advanced security measures in order to maintain trust and protect user’s assets and the platform against potential threats and vulnerabilities. Let’s take a look at some key components of DeFi security.

Smart Contract Audits

Smart contracts or self-executing contracts have the terms of the agreement directly written into a code, eliminating the need for intermediaries like banks, governments, etc. This might seem like an advantage at first, but it opens the road to some new risks. A code with certain vulnerabilities might become the next target of the attackers.

Smart contract auditing solves this problem through a smart contract code that identifies security issues and other potential problems. It helps reduce the bugs, risks, chances of unauthorized access, etc., before they are exposed to exploitation, making it highly important for decentralized applications (dApps).

Multi-Signature Wallets

A multi-signature or multi-sig wallet is a type of cryptocurrency wallet that requires multiple private keys to authorize a transaction. It ensures that no single individual can access or move funds without the consent of other key holders. This makes a multi-sig wallet particularly useful in decentralized governance, where several parties are involved in decision-making and there is shared control.

It differs from the single-signature wallet in transaction complexity, transparency, and security. In fact, it adds extra layers of security to transactions, as a single compromised key is not enough to perform a transaction.

Decentralized Governance

Decentralized governance models are used by various DeFi platforms. This allows token holders to contribute to the platform’s decision-making process and implement them within a DeFi protocol. This approach distributes power among the community and reduces the risk of centralization and single points of failure, which are vulnerable to exploitation.

Oracles

Oracles provide real-world data to smart contracts and interact with external data while maintaining the blockchain’s integrity. They act as a bridge between the on-chain and off-chain worlds, fetching, verifying, and delivering the necessary financial information.

The security of oracles is highly important as smart contracts work on the data they receive. An oracle attack may result in an attacker feeding false data to a smart contract, which might lead to some terrible consequences.

Insurance Protocols

Seen as blockchain-based replacements for traditional insurance policies, insurance protocols are used by DeFi platforms to protect users from potential losses that might happen due to security violations. They maintain trust and confidence in the platform by compensating users in the event of a hack or other unforeseen incidents.

Penetration Testing

Regular penetration testing or pen testing by security experts helps in discovering the weaknesses in the computer system, networks, and web applications, therefore avoiding potential attacks. This can be conducted manually or with the help of software tools. However, manual testing becomes a bit impractical when it comes to large-scale networks or systems even though it is more thorough.

What makes penetration testing essential is that it is important to identify and fix any vulnerabilities in a system’s defenses that attackers could take advantage of.

Importance of DeFi Security

In the DeFi ecosystem, users gain control over their funds through digital wallets and smart contracts. But with everything happening digitally, there is always a risk of security breaches, which might result in huge financial losses. Security measures become important to maintain trust in the platform, build integrity, and attract more users.

Protection of User Assets

In DeFi, users’ assets are stored in digital wallets and managed through smart contracts. This provides them with complete control over their assets. However, a single security breach can lead to the loss of millions of dollars. No user will trust a platform with their funds until and unless they are provided with proper security measures. This makes protecting the funds from theft, fraud, cyber-attacks, and unauthorized access a necessity.

Maintaining Platform Integrity

The smart contracts can not be compromised when it comes to DeFi as the platforms solely rely on them to execute transactions and other functions. The platform’s entire operation can be disrupted if the security of smart contracts is compromised. Therefore, it becomes important for the platform’s integrity that there is no risk of smart contracts being tampered with and that they work as intended.

Building and Sustaining User Trust

If the platform integrity is maintained, the user will trust the platform with their funds’ safety and transactions being executed securely. Similarly, a single breach can break this trust. This might lead to a huge number of users leaving and a significant loss to the value of the platform.

Compliance with Regulatory Standards

With the growth, DeFi is attracting more attention from the regulators. Platforms that implement strong security measures are more likely to meet emerging regulatory standards. Compliance can also be used to attract more cautious users and institutional investors.

Lessons from the past: The DAO Attack of 2016

Let’s examine The DAO Attack of 2016 to understand the importance of security in maintaining user trust in DeFi.

Background

A Decentralized Autonomous Organization or DAO is a type of organizational structure that uses blockchain technology and smart contracts to govern itself. These smart contracts track all actions and transactions. “The DAO” on the other hand is the name of a particular DAO programmed by the team behind German startup Slock.it. The DAO launched on 30th April 2016, with a 28-day funding window. It became the largest crowdfunding in history, raising over 150M USD from more than 11,000 members. However, several people expressed concern over the code which was vulnerable to an attack. On June 12th, Stephan Tual, one of the DAO’s creators announced the detection of a “recursive call bug” which drained about 3.6M ETH (around 50M USD at the time).

Impact on User Trust

The DAO attack of 2016 revealed vulnerabilities in smart contracts and raised concerns about the security of blockchain-based projects and their future, emphasizing the need for improved smart contract auditing and security measures. Ethereum was split into two blockchains (Ethereum and Ethereum Classic), further complicating trust. Ethereum recovered and continued to grow, but the incident made users and developers more alert about the security and governance of a decentralized system.

To restore user trust after the DAO attack, several key steps were taken:

  1. Hard Fork Implementation: A collective decision was taken by the Ethereum community to implement a hard fork. The motive was to reverse the effects of the hack, return the stolen funds to the original investors, and re-establish the reputation of the platform.
  2. Formation of Ethereum Classic (ETC): Ethereum was split into Ethereum and Ethereum Classic (ETC). ETC continued the original blockchain without reversing the hack and offered users a choice. The step was potentially taken to restore trust in the decentralized nature of blockchain.
  3. Improved Security Practices: This attack underlined the importance of smart contract audits. Developers began prioritizing security in decentralized applications, conducting more thorough code reviews and audits.

DeFi security is the foundational element of user trust. A secure platform sustains user trust, attracts more users, maintains the platform’s integrity, and ultimately drives the platform’s success. Similarly, a single breach can break that trust and lead to financial and reputational damage. The DAO attack of 2016 also serves as an essential reminder of DeFi security. As DeFi emerges, the platforms that implement proper security measures and transparent operations are best positioned to succeed in this rapidly growing sector.

Hats Finance: At the Forefront of DeFi Security

At Hats Finance, we understand the importance of DeFi security. Lessons like the one from the 2016 DAO Attacks have helped us to shape our approach when building a more trustworthy platform for our users. We are committed to safeguarding DeFi protocols, their users, and the blockchain community by aligning incentives between projects and security professionals through DeSec. Our bug bounties and smart contract audits are designed to improve community engagement, strengthen protocol security, and streamline the development lifecycle of Web3 projects.

As Hats Finance continues to grow and innovate, our dedication to security and to creating a safer and more reliable DeFi environment for everyone remains the same. Join us today for updates on DeFi security and more exciting things.

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HatsFinance

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