What Is The Difference Between A Public And Private Crypto

What Is The Difference Between A Public And Private Crypto


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As we know, cryptocurrency is a type of digital currency that can be used to purchase and sell goods and services. Many businesses have created their own currencies, known as tokens that can be exchanged for the goods and services they offer. 

The technology that permits cryptocurrencies to function is known as a blockchain. Blockchain is a distributed ledger system that allows several computers to record and handle transactions. One of the things that makes this technology appealing is its security.

The two most popular types of blockchains are public and private blockchains. They are widely used by many cryptocurrency networks and private businesses. 

However, there is a lot of misunderstanding about the distinction between public and private cryptocurrencies. In this blog, let us understand the distinction between the two.

Public Blockchain

Similar to Bitcoin, a public blockchain can be used to create an entirely open blockchain where anyone and everyone can join and contribute to. In a public blockchain, anyone can join and participate in the blockchain network’s core processes. Anyone can read, publish, and audit the ongoing operations on a public blockchain network, which aids the network’s self-governing character. The public network is run on a reward system that encourages new users to join and keeps the network flexible. 

Public blockchain features are mentioned as follows:

  • It has a high level of security
  • The public blockchain is open to all
  • Nature of anonymity- On a public blockchain, everyone is anonymous. There is no need to use your real name or identity, so everything will remain concealed and no one will be able to trace you.
  • No Rules- There are no rules that the nodes must obey on the public blockchain. As a result, there is no limit to how one can benefit from this platform.
  • Full Transparency- With a public blockchain, you can see the ledger at any time. There is no room for fraud or inconsistencies, and everyone must keep track of the ledger and participate in consensus.
  • True Decentralization- There is no centralized entity in this form of blockchain. As a result, the nodes are solely responsible for maintaining the network. They’re updating the ledger, which uses a consensus method to promote fairness.
  • Full User Empowerment- In most networks, users must adhere to a slew of rules and regulations. In many circumstances, the regulations aren’t even equitable. In public blockchain networks; however, this is not the case. Because there is no central authority to monitor their every move, all users are empowered.
  • The blockchain is immutable, which means that once something is written to it, it cannot be modified.
  • Distributed- Unlike a client-server method, the database is not centralized, and all nodes in the blockchain participate in transaction validation.

Private Blockchain

Private blockchain implementation can be used to run a private blockchain that enables only selected entry of verified parties, such as for a private business. Only an official and validated invitation allows a participant to join such a private network. Validation is also required, either by the network operator(s) or via the network’s implementation of a clearly specified set protocol.

A private blockchain is a distributed ledger that functions as a closed, secure database based on cryptography concepts and is not decentralized in the real sense. Technically, not everyone is allowed to run a full node on the private blockchain, conduct transactions, or validate/authenticate blockchain updates.

Private blockchain features are mentioned as follows:

  • Full Privacy- Private blockchain focuses on privacy concerns.
  • Centralized- Private blockchains are more centralized than public blockchains.
  • High Efficiency and Faster Transactions- Performance is better when nodes are dispersed locally yet there are fewer nodes in the ledger.
  • Better Scalability- The flexibility to add nodes and services on demand can be a huge benefit to a business.

Difference Between Public And Private Blockchain

  1. Access
  • Public Blockchain- This blockchain is open to anybody to read, write, and participate in. As a result, it is a permission-free blockchain. It is open to the general public.
  • Private Blockchain- This sort of blockchain is a permissioned blockchain since reading and write access is only granted to those who have been invited.
  1. Network Actors
  • Public Blockchain- Here, the network actors don’t know each other.
  • Private Blockchain- In this type, they know each other.
  1. Decentralized Vs Centralized 
  • Public Blockchain- A public blockchain is decentralized.
  • Private Blockchain- A private blockchain is centralized.
  1. Security
  • Public Blockchain- Because of decentralization and active participation, a public network is more secure. Because of the larger number of nodes in the network, ‘bad actors’ will find it difficult to attack the system and gain control of the consensus network.
  • Private Blockchain- A private blockchain is more vulnerable to hacks, risks, and data breaches/misuse. It is simple for bad actors to jeopardize the entire network. As a result, it is less secure.
  1. Attacks
  • Public Blockchain- No one knows who each validator is in a public blockchain, which increases the risk of a collision or a 51 percent attack (a group of miners who control more than 50% of the network’s computing power).
  • Private Blockchain- Minor collisions are not possible in a private blockchain. Each validator is recognised and has the necessary credentials to be a part of the network.
  1. Examples
  • Public Blockchain- Monero, Bitcoin, Ethereum, Zcash, Dash, Litecoin, Stellar, Steemit, etc.
  • Private Blockchain- R3 (Banks), B3i (Insurance), EWF (Energy), Corda, etc.

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