How to Rigorously Test Decentralized, Blockchain and Web 3 Tech?

Blocksurvey blog author
May 6, 2024 · 2 mins read

Decentralized, blockchain and web 3 technologies have helped build more secure and resilient systems. They are trusted environments that increase transfer speed by nearly 50%. Decentralized platforms minimize weak points in the system. They improve data reconciliation and offer optimized resource distribution. Although they offer transparency and security, they have challenges. Decentralized platforms tend to have a sharper learning curve.

The DApps and web3 platforms face slow mainstream adoption. Developers must make sure they offer user-friendly technology. It must have an intuitive UI and simple boarding processes. Achieving this requires robust testing techniques of the platforms. This ensures they are reliable, secure, and offer maximum performance. Here are different ways to test DApps, web3 tech, and blockchain platforms.

Challenges when testing decentralized technologies

Decentralized app development has brought in a lot of benefits to users. Users finally have a system that offers agility and efficiency. The system offers less staff turnover and better customer relationships. Despite the benefits, testing the blockchain architecture has its challenges. The blockchain architecture is a shared, decentralized ledger. It is built upon a network of computers. They all work as one unit by recording and storing data in digital format. Here are the different challenges that come with blockchain testing.

Teams need to develop solutions that will help them overcome the different challenges. They must agree on the code coverage testing required. Code coverage includes metrics that can be used to determine the scope of the testing. It is an important metric that allows teams to determine the tools to use. Based on the metrics, they determine the time required and the expected outcomes. The idea of code coverage analysis is to measure the total lines and testing paths that must be covered. It also allows measuring of the test framework that will bring out the best results.

Understanding blockchain testing and technology

Many IT experts do not fully understand the blockchain infrastructure. It is composed of complex chains that demand complicated solutions. The infrastructure is composed of several other technologies. They include distributed systems, cryptography, and system algorithms. Experts must first understand the workings of the systems. They must learn its unique security vulnerabilities, risks, and gaps. This knowledge is what can help engineers to be certain the system is working perfectly. It allows them to know what to test.

Scaling and performance testing

The number of transactions done daily on the blockchain is growing. It is harder to record higher throughput and maintain decentralization.  Building a decentralized app requires developers to understand user needs. They must make sure the app can handle every transaction. Due to the complexities of the system, scaling testing is a challenge.

Getting experienced blockchain experts

Many experts have experience in other app testing environments. Many of them lack knowledge for blockchain-based apps such as web 3.0 apps. Hiring an experienced blockchain testing team can be costly. Due to the cost, companies might go for any team. This cannot guarantee them the test will be perfect and the results dependable. Other challenges include the following.

  • Regulations and compliance challenges
  • Consensus algorithm problems
  • Defining the test strategies
  • Integrating different scenarios into one system
  • Challenges in implementing performance and load tests
  • Dealing with security issues during testing

Techniques for testing decentralized applications

Testing blockchain and web3 applications requires thorough and rigorous processes. Blockchain apps have been widely adopted in many organizations. It is widely used in healthcare, real estate, and e-commerce environments. Testing web3 applications ensures they run on secure networks. Companies get the chance to know new opportunities in blockchain. Decentralized data is stored in many locations. The technology used must identify the data and test it regardless of where it is. Here are the different techniques used for testing dapp web3.

Automated testing

In web3 app development, automated testing means using tools to automatically do the tests. The tools allow running of multiple cases across different networks. The teams need to have deep analytical thinking skills. They must have functional knowledge and test script development experience. Being familiar with the blockchain architecture allows them to define the parameters correctly. Automated testing offers organization many benefits including:

  • The process is time and money-saving
  • Teams get more accurate results
  • The process is effective in bug detection at the early phases
  • It offers a faster feedback cycle from different stakeholders
  • Companies get the chance to allocate resources correctly
  • Teams get a wider coverage and scaling


This type of testing involves the entire software module. In DApp environment, software may include multiple modules. All the components get integrated into one unified group. The different components still work as unique sets of software. This process ensures all components are working seamlessly together. Each must deliver its intended purpose. It must communicate with the other components without flaws.  This method helps detect bugs that might arise when using different components.


Also known as chaos engineering, this one checks the system’s integrity. The technique involves simulation and failure identification in different test environments. These are failures that could cause system downtimes and negative user experiences. The team decides the controlled tests to undertake. They determine the environments to test and the scope. The tests could be done to detect system bugs, data issues, and network failures. They aim to check how the software behaves and responds under different circumstances.

Non-functional performance

The blockchain handles millions of transactions daily. Due to this, non-functional performance testing is important. This technique tests network latency. It checks transaction sequences at different nodes. They check performance bottlenecks and dependencies on different environments. This also includes software processing speed and the user interface. This generates a report touching on the overall performance of the system.

Non-functional security

This type checks the types of vulnerabilities the software could have. The blockchain system is considered secure. However, it could be affected by different security issues. The testing is done to ensure the system is consistent with laws and regulations. It checks any potential loopholes through which cybercriminals could make use of. The team checks different aspects such as system integrity and confidentiality. They check login verification security and access privacy.

Penetration testing for web3

Penetration testing for web3 is wide and covers a wide area. It goes beyond the usual vulnerabilities and system performance. The technique focuses on specific blockchain environments. The team may check any of the following areas and more.

  • Node-related exploits and vulnerabilities
  • Vulnerabilities affecting smart contracts environments
  • Gaps in consensus mechanism that could create weaknesses

The teams use different approaches for this technique. They may apply black box, gray box, or white box penetration testing. The goal of the entire process is to assess the security strength of web3 apps. It also checks DApps environments, DeFi ecosystems, and other systems.


The DApps environment requires rigorous and accurate testing procedures. Penetration testing for web3 could pose different challenges to teams. They might lack knowledge about the complexities of blockchain systems. They may lack the perfect tools for these environments. Different techniques help the teams to do thorough tests. They include automation, non-functional security and performance testing. They may also do integration and chaos testing.

How to Rigorously Test Decentralized, Blockchain and Web 3 Tech? FAQ

Why is performance testing important in DApps?

Performance testing allows teams to understand the scalability, latency, and throughput of a blockchain-based app. They use the technique to identify any bottlenecks and test the system’s resilience.

What are the challenges that affect testing of decentralized technologies?

Decentralized technologies face challenges such as a lack of properly experienced teams. They may have to deal with security issues and different laws.

How does automated testing benefit teams

Automated testing offers greater accuracy and speed. Teams save a lot of time and money and they deliver greater customer satisfaction.

Why is Penetration testing for web3 important?

Penetration testing for web3 goes beyond the ordinary procedures. It goes deeper into the system and tests for vulnerabilities, bugs, and system issues. The team gets to know how strong the system is.

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blog author description

Sarath Shyamson

Sarath Shyamson is the customer success person at BlockSurvey and also heads the outreach. He enjoys volunteering for the church choir.


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