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Have you ever wondered how to upgrade your blockchain to keep up with the latest advancements? Look no further! In this article, I will guide you step by step on how to update Hyperledger Besu, one of the most popular blockchain platforms out there. Whether you’re a beginner or an experienced developer, this comprehensive guide will help you easily navigate through the process and ensure that your blockchain is always up to date with the latest features and improvements. So, let’s get started and take your blockchain to the next level!

Overview of Hyperledger Besu

Hyperledger Besu is a powerful and flexible enterprise-grade blockchain platform. It is one of the Hyperledger projects hosted by the Linux Foundation and is built on the Ethereum Virtual Machine (EVM). Hyperledger Besu is designed to meet the diverse needs of businesses by providing a framework that enables the development and deployment of decentralized applications (dApps) and smart contracts.

What is Hyperledger Besu?

Hyperledger Besu is an open-source blockchain platform that allows organizations to create and manage their own private or consortium networks. It supports both public and permissioned networks, offering a range of features to ensure the security, scalability, and privacy of transactions. With Hyperledger Besu, businesses can leverage blockchain technology to streamline processes, enhance transparency, and increase trust among participants.

Key features of Hyperledger Besu

Hyperledger Besu offers a variety of features that make it a versatile and robust blockchain platform. Some key features include:

  • Permissioning: Hyperledger Besu allows organizations to define and manage the permissioning of participants, ensuring only authorized users can access and interact with the blockchain network.
  • Privacy: With Hyperledger Besu, businesses can implement private transactions, where only specified participants can view the details of a transaction, while still maintaining the immutability and integrity of the blockchain.
  • Interoperability: Hyperledger Besu supports the Ethereum Mainnet, allowing seamless integration with other Ethereum-based networks and applications. This interoperability enables businesses to leverage existing Ethereum tools and infrastructures.
  • Scalability: Hyperledger Besu is designed to handle a high number of transactions per second, making it suitable for enterprise use cases that require fast and efficient transaction processing.

Preparing for the Upgrade

Before embarking on an upgrade of Hyperledger Besu, it is important to ensure proper preparation. This includes checking system requirements, backing up data, and ensuring compatibility with other components.

Check the system requirements

To ensure a smooth upgrade process, it is essential to verify that your system meets the required specifications. This includes checking the minimum hardware and software requirements, such as the operating system version, memory, storage, and network connectivity. By ensuring your system meets these requirements, you minimize the risk of compatibility issues during the upgrade.

Backup your data

Before proceeding with any upgrade, it is crucial to back up all relevant data associated with your blockchain network. This includes blockchain data, configuration files, and any other critical files. By creating a backup, you can safeguard your data and easily restore it in case of any issues during the upgrade process.

Check compatibility with other components

Hyperledger Besu may have dependencies on other components or software. It is important to ensure that these components are compatible with the version you are planning to upgrade to. This includes checking the compatibility of clients, wallets, third-party applications, or any other integrations. This step ensures that all components work harmoniously together after the upgrade.

Understanding the Upgrade Process

Understanding why an upgrade is necessary, reviewing release notes and changelogs, and comprehending the upgrade steps are essential before proceeding with the upgrade.

Why upgrade?

Upgrading to the latest version of Hyperledger Besu is crucial to take advantage of improved security, performance, and features. Upgrades often include bug fixes, security patches, and enhancements that can optimize the blockchain network’s operations, address known vulnerabilities, and introduce new functionality. By keeping your Hyperledger Besu version up-to-date, you ensure that your network is secure and efficient.

Release notes and changelog

Reviewing the release notes and changelog is essential to understand the changes and improvements introduced with the new version. These documents provide a detailed account of bug fixes, new features, and any potential breaking changes that may require adjustments in configurations or smart contracts. By familiarizing yourself with the changes, you can effectively plan and implement the upgrade.

Understanding the upgrade steps

Understanding the upgrade process is vital to ensure a successful and smooth transition to the new version. This involves understanding the sequence of steps to be followed, any prerequisites, and any specific considerations or best practices recommended by the Hyperledger Besu community. By comprehending the upgrade steps, you can effectively plan and execute a seamless upgrade.

Upgrade Planning

Effective upgrade planning involves identifying objectives, assessing potential risks and challenges, and creating a comprehensive upgrade plan.

Set objectives and goals

Before initiating the upgrade process, it is important to clearly define your objectives and goals. These objectives can include enhancing security, improving performance, supporting new features, or addressing any known issues. By setting clear objectives, you can evaluate the success of the upgrade and ensure that it aligns with your organization’s needs.

Identify potential risks and challenges

Upgrades, while beneficial, can introduce risks and challenges. It is crucial to identify and mitigate these risks to minimize disruption to your blockchain network. Potential risks can include data loss, compatibility issues with other components, or any disruptions to ongoing transactions. By carefully assessing potential risks and challenges, you can proactively plan and mitigate them to ensure a smooth upgrade process.

Create an upgrade plan

Creating a detailed upgrade plan is essential for a successful upgrade. The plan should outline the specific steps to be followed, the order of execution, and any dependencies or prerequisites. It should also include a timeline, resource allocation, and a contingency plan in case of any unforeseen issues. By having a well-defined upgrade plan, you can ensure a well-organized and structured upgrade process.

Testing the Upgrade

Thoroughly testing the upgrade before implementing it in a production environment is crucial to mitigate potential risks and ensure the stability of your blockchain network.

Setting up a test environment

Creating a dedicated test environment that mirrors your production environment is essential for testing the upgrade. This includes configuring the necessary hardware, software, and network settings to replicate the production environment as closely as possible. By testing in a controlled environment, you can identify and resolve any issues before performing the upgrade on your live network.

Migrating the data

In the test environment, it is important to migrate the existing blockchain data to ensure accurate testing. This involves transferring the data from the production environment to the test environment, ensuring that all relevant information is preserved. By accurately replicating the data, you can assess the impact of the upgrade on your network and validate the compatibility of existing data structures and smart contracts.

Performing functional and performance testing

Once the data migration is complete, it is crucial to perform functional and performance testing. Functional testing involves verifying that all features and functionalities of the blockchain network work as expected after the upgrade. Performance testing focuses on assessing the network’s capability to handle varying transaction volumes and loads. By conducting thorough testing, you can identify and address any issues or bottlenecks before deploying the upgrade to your live network.

Performing the Upgrade

After successful testing, it is time to perform the upgrade on your production environment. This involves updating the Hyperledger Besu software, verifying the upgrade, and resolving any issues that may arise.

Updating the Hyperledger Besu software

To initiate the upgrade, you need to update the Hyperledger Besu software to the desired version. This typically involves downloading the new software release and following the provided installation instructions. It is crucial to ensure that all required dependencies and prerequisites are met during the update process.

Verifying the upgrade

After updating the software, it is important to verify the upgrade to confirm the successful installation. This involves checking the version number, validating the network connectivity, and verifying that the blockchain network is functional. By thoroughly verifying the upgrade, you can ensure that all components are correctly configured and operational.

Resolving any issues

In the event that any issues or discrepancies arise during or after the upgrade, it is important to promptly address and resolve them. This may involve troubleshooting, debugging, and seeking assistance from the Hyperledger Besu community or support channels. By proactively resolving any issues, you can minimize disruptions and ensure the stable operation of your upgraded blockchain network.

Post-Upgrade Tasks

After successfully upgrading Hyperledger Besu, there are several important tasks to perform to ensure a fully functional and optimized blockchain network.

Updating configurations

Review and update the configurations to align with the new version of Hyperledger Besu. This may include adjusting network settings, permissions, security configurations, or any other relevant parameters. By updating the configurations, you can optimize the performance and security of your network based on the capabilities and enhancements offered by the upgraded version.

Restarting the blockchain network

To apply the updated configurations and ensure a seamless transition to the upgraded version, it is necessary to restart the blockchain network. This involves stopping all network nodes, making the necessary configuration changes, and restarting the nodes with the updated settings. By restarting the network, you ensure that the new configurations and upgrades are fully implemented and operational.

Reconnecting with other components

If your blockchain network has integrations with other components or systems, it is essential to reconnect and test the compatibility after the upgrade. This may include validating the integration with client applications, wallets, or any other services that interact with the blockchain. By ensuring proper connectivity with other components, you maintain the interoperability and functionality of your upgraded network.

Monitoring and Maintenance

Continuous monitoring and performing regular maintenance tasks are essential to ensure the stability and optimal performance of your upgraded Hyperledger Besu blockchain network.

Monitoring the upgraded blockchain

Implementing a robust monitoring system enables you to track the health and performance of your upgraded blockchain network. This includes monitoring the network nodes, transaction throughput, block propagation, and any other relevant metrics. By closely monitoring the network, you can proactively identify and address any potential issues, ensuring the ongoing stability and reliability of your blockchain operations.

Performing regular maintenance tasks

Regular maintenance tasks are important to keep your upgraded blockchain network running smoothly. This includes periodic backups of data, applying software updates and patches, optimizing performance, and ensuring the security of your network. By incorporating regular maintenance into your operational procedures, you can prevent potential issues and keep your network in optimal condition throughout its lifecycle.

Handling upgrades in the future

As technology evolves and new features and enhancements are introduced, it is essential to stay informed about future upgrades and releases of Hyperledger Besu. This includes actively engaging with the Hyperledger community, attending conferences, and staying up-to-date with the latest documentation and announcements. By staying informed, you can effectively plan and execute future upgrades, ensuring your network remains secure, efficient, and aligned with your business needs.

Best Practices and Tips

To optimize the upgrade process and ensure a successful transition, consider the following best practices and tips:

Ensure proper documentation

Maintain comprehensive documentation throughout the entire upgrade process. This includes documenting the system requirements, backup procedures, upgrade steps, configurations, and any issues encountered and their resolutions. Proper documentation ensures that the knowledge is preserved and readily available for future reference.

Engage with the Hyperledger community

The Hyperledger community is a valuable resource for support, guidance, and collaboration. Engaging with the community through forums, mailing lists, or attending community events allows you to leverage the collective expertise and experiences of other Hyperledger Besu users. By actively participating in the community, you can stay updated, gain insights, and benefit from the shared knowledge.

Stay updated with new releases

Regularly reviewing new releases, updates, and bug fixes is crucial to ensure that your blockchain network is utilizing the latest features and patches. Staying updated allows you to benefit from performance enhancements, security fixes, and new functionality introduced in each version. By staying current, you can maximize the value and capabilities of your Hyperledger Besu network.


Upgrading Hyperledger Besu is a critical process that ensures your blockchain network remains secure, efficient, and up-to-date. By following a comprehensive upgrade plan, thoroughly testing in a dedicated environment, and carefully executing the upgrade steps, you can successfully transition to the latest version of Hyperledger Besu. By staying engaged with the Hyperledger community, investing in monitoring and maintenance, and adhering to best practices, you can ensure the ongoing stability and optimization of your upgraded blockchain network.

By Steve Hodgkiss

I’m Steve Hodgkiss. I’m a web developer living in-between the United Kingdom and S.E. Asia. I am a fan of technology, travel and food. I’m also interested in programming and web development. Born in the UK, after finishing school I graduated from Technical College with a HND (Higher National Diploma). After working my way up as an Employee of various companies, I went Freelance in 1987. Working both in the UK and locations worldwide, I soon built up my reputation as a very competent developer, being retained by one particular Bank for 15 years. The last few years I've developed more experience that relates to Blockchain Technology and the way it can empower governments, businesses and customers. This includes the development of blockchain platforms and Cryptocurrency exchanges.