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Distributed Ledger Technology (DLT) · question
Q.04 of 28

What are the differences between public, private, and consortium blockchains?

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Public Blockchains:

  • Open to everyone, fully decentralized
  • Anyone can participate, validate transactions, and maintain the network
  • Transparent and censorship-resistant
  • Examples: Bitcoin, Ethereum
  • Slower and more energy-intensive

Private Blockchains:

  • Controlled by a single organization
  • Access restricted to authorized participants
  • Faster and more efficient
  • Used for internal business processes
  • Examples: Hyperledger Fabric implementations

Consortium Blockchains:

  • Semi-decentralized, controlled by a group of organizations
  • Faster than public, more decentralized than private
  • Common in industry collaborations
  • Examples: R3 Corda, Energy Web Chain

Use Case Considerations:

  • Public: Cryptocurrencies, DeFi applications
  • Private: Supply chain management within a company
  • Consortium: Inter-bank transfers, industry standards
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