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Private Blockchain Explained
Updated on 29th May, 23 24 Views

In this post, we will dive into the world of private blockchains, learning what they are, how they operate, and the advantages they provide. Learn how to establish your own private blockchain and find examples of private blockchain implementation. Let’s explore the realm of private blockchains while we are strapped in.

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What is a Private Blockchain?

Private blockchains are exclusively accessible to a small set of users rather than the general public. Business organizations often use private blockchains to communicate data and information with a specific group of people while preserving network control. This is because private blockchains are not open to the public, and only authorized participants can join. This makes them a good choice for applications that require a high level of security or privacy. Private blockchains, as opposed to public blockchains, provide greater privacy and security because network access is confined to authorized users. This means that information and data saved on the blockchain are less subject to attacks and fraud.

Furthermore, private blockchains can be customized to meet the organization’s specific needs. This allows for greater flexibility and scalability, as the network can be tailored to fit the unique requirements of the users.

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How Does a Private Blockchain Work?

Private blockchains are decentralized ledgers that record transactions and store data. They are only accessible to a select group of users who are granted permission by the network administrators. Here are some key points to consider regarding how private blockchains operate:

  • Private blockchains require permission, which signifies that only authorized users can join the network and participate in transactions.
  • Transactions on a private blockchain are verified and added to the ledger with the support of a consensus mechanism. This ensures that all users on the network agree on the status of the blockchain.
  • The consensus mechanism used by private blockchains can vary depending on the platform and the organization’s requirements. Some common consensus mechanisms include practical Byzantine Fault Tolerance (pBFT), Proof of Work (PoW), and Proof of Stake (PoS).
  • Private blockchains offer greater customization and control over the network’s rules and operations than public blockchains. This makes them a more versatile and adaptable option for organizations.

Overall, private blockchains are a secure and customizable way for organizations to share data and information among a specific group of people while maintaining control over the network.

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Example of Private Blockchain

There are various examples of private blockchains in use by business organizations. Here are some instances of private blockchains and their applications.

  • Hyperledger Fabric – Many significant corporations utilize this permissioned private blockchain for supply chain management. Hyperledger Fabric enables businesses to share data and information securely.
  • Corda – Corda is another permissioned private blockchain used in the BFSI industry. Corda enables financial organizations to securely and efficiently share information and data.
  • Quorum – This is a permissioned private blockchain that many large corporations utilize for financial transactions. Quorum is more private and secure than traditional financial platforms.

Overall, private blockchains provide numerous advantages and can be used in a variety of industries, including banking, financial services, and insurance (BFSI),  supply chain management, and others. Private blockchains provide enhanced security and efficiency for organizations by restricting access to a restricted number of users.

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Benefits of Private Blockchain

Benefits of Private Blockchain

Private blockchains offer several benefits over public blockchains. Here are some key advantages of private blockchains:

  • Increased Security – Private blockchains are more secure than public blockchains since access is limited to authorized individuals. As a result, they are less vulnerable to attacks and deception.
  • Customization – Private blockchains can be tailored to an organization’s specific requirements. This provides better flexibility and scalability because the network may be adjusted to the specific needs of the users.
  • Efficiency – Private blockchains can streamline processes and reduce the need for intermediaries, leading to faster transaction times and reduced costs.
  • Privacy – Private blockchains provide more privacy than public blockchains because access is limited to authorized individuals. As a result, they are a more appealing alternative for organizations that demand more control over their data and transactions.
  • Regulatory Compliance – Private blockchains can be built to meet regulatory compliance standards. As a result, they are a more realistic option for organizations operating in highly regulated industries.

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Overall, private blockchains offer a more controlled and secure alternative to public ones, making them an attractive option for organizations that require greater privacy, security, and control over their data and transactions.

Private Blockchain Implementation

Private Blockchain Implementation

Implementing a private blockchain involves several steps, each of which is critical to the network’s success. Here are the key steps involved in creating a private blockchain:

  • Step 1 – Define the Use Case – The first step in implementing a private blockchain is to define the use case. This involves identifying the specific problem that the blockchain will solve and the benefits it will offer. By limiting the use case, the organization can determine the features and functionalities the blockchain will need.
  • Step 2 – Choose a Consensus Mechanism – The next step is to choose a consensus mechanism. This is how transactions are verified and added to the ledger. Some common consensus mechanisms used in private blockchains include Practical Byzantine Fault Tolerance (PBFT), Proof of Work (PoW), and Proof of Stake (PoS). The choice of consensus mechanism will depend on the specific needs and requirements of the organization.
  • Step 3 – Select a Platform – The next step is to select a platform hosting the private blockchain. Several platforms are available, including Hyperledger Fabric, Ethereum, and Corda. Each platform has unique features and benefits, so choosing one that best fits the organization’s needs is essential.
  • Step 4 – Set Up the Network – The next step is to set up the network nodes once the consensus mechanism and platform have been selected. This involves creating a network of computers that will participate in the blockchain. Each node will have a copy of the ledger, and transactions will be verified and added to the catalog by consensus.
  • Step 5 – Configure Network Settings – Finally, the network settings, such as the transaction fees and block size, are configured. This ensures that the network operates efficiently and effectively in the organization’s specific needs.

Overall, implementing a private blockchain requires careful planning and consideration. By following these steps, organizations can create a private blockchain that meets their specific needs and requirements while offering increased security, efficiency, and control over their data and transactions.

How to Create a Private Blockchain?

The process of building a private blockchain is multi-step and difficult. The way in which transactions are validated and added to the ledger is called a consensus mechanism, and choosing one is the first stage in the process. The following action is to select a hosting platform for the private blockchain. Each platform has unique characteristics and advantages, including Hyperledger Fabric, Ethereum, and Corda. 

Setting up network nodes comes after selecting the platform. This entails setting up a network of computers that will take part in the blockchain, each of which will have a copy of the ledger. After confirmation, transactions will be verified and put on the ledger by consensus. Network settings like transaction fees and block sizes are established to guarantee that the network functions effectively and efficiently per the organization’s unique needs.

Planning and attention to detail are essential when building a private blockchain. Using the steps outlined here, businesses can build a private blockchain that satisfies their unique requirements and provides enhanced security, efficiency, and control over their data and transactions.

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In comparison to public blockchains, private blockchains are more secure and flexible. Private blockchains boost security and efficiency by limiting access to a small number of users. Various steps are involved in setting up a private blockchain, including selecting a platform and a consensus process. Following these steps, organizations can build a private blockchain that meets their particular requirements.

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