Page 15 - Informatics, January 2022

In Focus

Services

Revenue Document Storage
Department
Document Updating

Document Retrieval Govt. Depts,
Insurance Firms
ejanma etc.
Cert Chain N/M
User Authentication
API
Authorization User Registration

Food & Civil
Supplies Online Display of the Document Portal, Dashboard
Portable Database
Document Fetch Using API’s

Registrar-
Birth-Death
Digital Signature, VPN

Solution Architecture
Technology Hyderabad, Institute for Development modules such as smart contracts, APIs for blockchain system, the hash of the data from the
and Research in Banking Transactions (IDRBT), interfacing with the eGoverance applications has off-chain database is compared with the hash
Society for Electronic Transactions and Security been done. retrieved from the ledger to confirm if data has
(SETS) etc. NIC’s role in the project is to provide Organising user awareness workshops, not been tampered in the off-chain database.
Blockchain As A Service. As part of this project, Technical sessions on blockchain, deliberating
Hyper Converged Infrastructure is proposed to with NIC officers handling various sectors for Blockchain Use Cases
be established in Hyderabad, Bhubaneshwar evangelizing the use of Blockchain are other Two categories of applications that benefit
and Pune. The infrastructure will be used to set activities performed by the CoE. from the use of Blockchain were identified for
up Kubernetes Clusters and UBF will be deployed implementation – Document Repository and
over this. Solution Architecture Track and Trace System.
Development of blockchain related software The blockchain implementation in the Certificate Chain
eGovernance applications will ensure that the (A Blockchain Powered for certificates)
existing applications continue to function as Several certificates issued by the government
per the business logic presently adopted. At are essential for the citizens, especially for
critical stages in the workflow of the application - claiming benefits of various social welfare
or at stages when the information needs to be schemes, employment, legal purposes and
stored in the blockchain, these applications will admission to educational institutions. These
submit data to blockchain or fetch data from documents need to be stored safely and
the blockchain through the APIs. The APIs in produced on demand to the authorities. Most
turn will submit/ retrieve the data to/ from the of these documents are issued to citizens in a
blockchain ledger. Smart contracts/ chain code paper-based format even though the data is
will be executed by the Blockchain platform stored electronically.
before the data is written to the ledger. To
ensure non-repudiation of the data being sent to Challenges in the current
the blockchain, the data is to be digitally signed system
by the authority who issues the documents or Fake documents
updates the data. With the improvement in the technologies and
The data submitted to the blockchain will be internet, the generation of fake certificates has
stored in the off-chain database and the hash become even more rampant and is exploited by
of the data is stored in the ledger. The off-chain unscrupulous elements of society. Many times
database can be any conventional database. these fake certificates can have a detrimental
Postgres RDBMS is used to store the off-chain effect on the government exchequer and, more
data. When the data is retrieved from the so, deprive the benefits to genuine beneficiaries.

January 2022 informatics.nic.in 15