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Blockchain Technology

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Blockchain Technology

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The Ministry of Electronics and Information Technology (MeitY) has launched the Vishvasya Blockchain Technology Stack which provides Blockchain-as-a-Service with a geographically distributed infrastructure, aimed at supporting various permissioned blockchain-based applications.

 

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In addition, the Secretary of MeitY unveiled the NBFLite, a lightweight blockchain platform, Praamaanik, an innovative blockchain-based solution for verifying mobile app origins, and the National Blockchain Portal.

 

National Blockchain Framework to Strengthen Digital Trust and Service Delivery

  • The MeitY launched the National Blockchain Framework (NBF) to promote research and application development, enabling transparent, secure, and trusted digital service delivery for citizens.
  • The NBF technology stack is designed with a distributed infrastructure, core framework functionality, smart contracts, an API gateway, and focuses on security, privacy, and interoperability. 
  • It offers Blockchain as a Service (BaaS) and currently supports two permissioned blockchain platforms, with the flexibility for future expansion. 
  • The technology stack is hosted on geographically distributed infrastructure at NIC data centres in Bhubaneswar, Pune, and Hyderabad.

 

Blockchain Sandbox for Startups and Academia

  • NBFLite, a blockchain sandbox platform, has been specifically developed for startups and academia to facilitate rapid application prototyping, research, and capacity building. 
  • This platform was created through a collaborative effort involving C-DAC, NIC, IDRBT Hyderabad, IIT Hyderabad, IIIT Hyderabad, and SETS Chennai, with support from MeitY.

 

Blockchain Technology

Blockchain is a decentralised, distributed digital ledger that records transactions across many computers in a network. It is designed to be secure, transparent, and resistant to modification of the data.

Key Features of Blockchain

  • Decentralisation: Blockchain networks are decentralised, meaning they are not controlled by a single entity. The data is shared and synchronised across the network.
  • Immutability: Once a transaction is recorded in the blockchain, it is extremely difficult to modify or delete. Each block contains a cryptographic hash of the previous block, creating an immutable chain.
  • Transparency: All transactions on a blockchain are visible to all participants in the network. This transparency helps build trust and accountability.
  • Consensus Mechanism: Blockchain networks use consensus protocols like Proof of Work (PoW) or Proof of Stake (PoS) to validate transactions and add new blocks to the chain. This ensures that all participants agree on the state of the network.

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