Hyperledger Fabric vs. Sawtooth vs. Composer: What’s the Difference?

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With blockchain gaining popularity recently, more people are becoming interested in other blockchain applications and projects apart from cryptocurrency. The spotlight has turned to Hyperledger, a blockchain project that is widely used among enterprises. It is a collection of frameworks, guidelines, and tools to build open-source blockchain applications and maintain networks for various businesses.

Hyperledger allows businesses to apply blockchain solutions to their specific business problems or improve their efficiency. There are various sub-projects under the Hyperledger project, such as Hyperledger Fabric, Sawtooth, Composer, and Cello. It can get confusing to distinguish between them, especially for someone new to the world of blockchain. This blog will cover everything you need to know about Hyperledger and its sub-projects so you can get started on using the platforms for your business.

What Is Hyperledger Fabric?

Hyperledger Fabric is an open-source project of the Hyperledger company, which works as a foundation for developing applications and solutions with modular architecture. It is a blockchain framework that helps create blockchain-based products and applications using plug-and-play components within private enterprises. The platform includes ledgers, standards, protocols, and contacts.

Since Hyperledger Fabric is a private platform and requires access permissions, businesses can easily segregate information and transact faster as the number of nodes in a network is reduced. The network allows only authenticated users, and so enterprises can enable only employees to access their system, thus leaving impostors outside and creating an internal network platform for the business.

How Does Hyperledger Fabric Work?

Hyperledger Fabric was designed to overcome the limitations of traditional blockchain networks such as private transactions and confidential contracts. It is considered to be a scalable and secure foundation for offering industrial blockchain solutions. It imposes regulations to maintain data about various members of the network and their access to data points. Hyperledger Fabric also supports permission-based membership for business sectors such as healthcare, finance, etc.

Features of Hyperledger Fabric:

  1. Open source.
  2. Secure permission blockchain network.
  3. Modular design.
  4. High performance.

What Is Hyperledger Sawtooth?

Hyperledger Sawtooth is another Hyperledger creation, an open-source project that works as an enterprise-level blockchain system that helps build distributed ledger applications and networks. It is specifically curated to develop applications and networks tailored for enterprise use. It is a blockchain-as-a-service platform that can create customized smart contracts without knowing the core system’s design.

The blockchain platform is primarily used for building distributed ledger technology applications and networks. The design viewpoint targets keeping ledgers distributed and making smart contracts safe, particularly for enterprise use. The core system allows applications to co-exist on the same blockchain, select transaction rules, and select the necessary permission mechanism. Hyperledger Sawtooth supports programming languages such as C++, Go, Java, JavaScript, Python, and Rust.

How Does Hyperledger Sawtooth Work?

Hyperledger Sawtooth separates the core system from the application domain, thereby simplifying developing the blockchain application. It allows developers to choose the programming language and apply specific business rules suitable for their application’s working. Sawtooth allows selective permissions, i.e., one can deploy a particular set of clusters with different permissions on the same blockchain. The ledger is capable of storing essential details such as permissions, nodes, and their identities.

Features of Hyperledger Sawtooth:

  1. Separation between application level and core system.
  2. Permission features among private networks.
  3. Parallel transaction execution.
  4. Creating and broadcasting events.

What Is Hyperledger Composer?

Hyperledger Composer is a collective set of open-source tools that help find solutions to business problems or improve operational efficiencies. It allows developers and business owners to create blockchain applications and smart contracts to figure solutions for particular issues. It raises associations within organizations and business networks to develop blockchain applications. Hyperledger Composer offers sample applications with easy-to-test processes to enable creating robust blockchain solutions.


Hyperledger Composer’s primary goal is to accelerate time with value and make it easier to integrate blockchain applications with existing business systems. It assists you in developing a use case for deploying blockchain in just a matter of weeks. Hyperledger Composer also allows you to model a business network while incorporating existing systems and data with blockchain applications. It is built using JavaScript and leveraging tools like node.js, nmp, CLI, and other editors.

How Does Hyperledger Composer Work?

Hyperledger Composer supports the existing Hyperledger Fabric blockchain infrastructure and runtime, which supports blockchain consensus algorithms to ensure that transactions are validated according to business network participants. It allows applications to consume the data from business networks, enabling users with simple and controlled access points. Hyperledger Composer allows business networks to include members and associate them with unique identities across various networks. It has been deprecated as of August 2019.

Features of Hyperledger Composer:

  1. Data integration.
  2. Simple modeling language.
  3. Supports Hyperledger Fabric.
  4. Emphasis on business-centric vocabulary.

Comparison: Similarities and Differences

  • When comparing Hyperledger Fabric vs. Sawtooth vs. Composer, the most significant difference between them is that Fabric and Sawtooth are both frameworks, whereas Composer is a tool.
  • Fabric, Sawtooth, and Composer are all open-source projects under Hyperledger.
  • Sawtooth can be a public blockchain and supports Ethereum Virtual Machine, whereas Fabric is a private blockchain that does not support the Ethereum Virtual Machine.
  • In contrast, Fabric has membership management support that Sawtooth does not have.
  • Fabric requires less time to develop an application, but Sawtooth takes more time to deploy than Fabric.
  • Although Composer is a tool, it supports the Fabric framework but does not support the Sawtooth framework.
  • Hyperledger Fabric is a widely used framework as compared to Hyperledger Sawtooth.
  • Whereas, Hyperledger Composer is an open-source tool used to deploy blockchain networks.

Hyperledger Fabric, Sawtooth, and Composer are leading the advancement of blockchain technology and are a part of today’s technology revolution. While Fabric and Sawtooth offer frameworks to create blockchain applications for enterprises, Composer is a tool that offers easy ways to make smart contracts and applications supporting Fabric.

If you are new to blockchain technology, you must consider pursuing a blockchain certification and becoming acquainted with the concepts of blockchain technology, cryptocurrency, and Hyperledger. Certified Blockchain Professional (CBP) is a leading program in the market which will help you understand both the fundamentals and advanced blockchain modules and get hands-on experience in solving various industry-level problems. The certification provides key insights into advanced applications and implementation strategies for blockchain technology.
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How many types of blockchain are there?

There are four types of blockchain:

  1. Public Blockchain
  2. Private Blockchain
  3. Consortium Blockchain
  4. Hybrid Blockchain
How many types of blockchain are there?
There are four types of blockchain:

  1. Public Blockchain
  2. Private Blockchain
  3. Consortium Blockchain
  4. Hybrid Blockchain


Read more: What Are the Different Types of Blockchain? Why Do We Need Them?

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