2. Why Blockchain in e-governance?
3. Goals and Objectives of the Policy
4. Applicability of the Policy
5. Implementation Strategy
6. Tamil Nadu State-wide Blockchain Backbone
7. Use Case Selection and Prioritization
8. Guidelines for building Blockchain applications
9. Capacity Building and Awareness
10. Encouragements for adoption of Blockchain Technology
10.1 Forum for Blockchain Ecosystem Development
10.2 App Development Platform
10.3 Regulatory Sandbox
11. Oversight Mechanism
11.1 TN Blockchain Policy Implementation Committee
11.2 Protocols and Standards Committee
11.3 Legal and Regulatory Committee
Tamil Nadu Blockchain Policy
Blockchain technology will play a huge role in e-governance in the near future. It is expected to enable Governments to build secure, auditable, and efficient workflows and processes. These modernized workflows can equip the Government to design citizen-centric applications that cater to different verticals of governance including agriculture, healthcare, data security & integrity, identity management and benefits & subsidy distribution. Blockchain will benefit the residents of Tamil Nadu by delivering better and more secure governance and efficient citizen service delivery.
To achieve these goals, this policy proposes a top-driven strategy that will ensure that all e-governance blockchain implementations meet established guidelines and standards for design, development, and deployment. This will ensure uniform solution architecture and adherence to security protocols. Additionally, the policy proposes a state-wide blockchain backbone that would be used by Government departments and public sector enterprises for building and deploying applications. This will enable the Government departments to deliver services to people securely and efficiently. In addition, the policy charts out regulations and security standards and addresses ethical or legal concerns arising from the technology.
It is also essential to provide a suitable environment for developing a thriving blockchain ecosystem within the State. In this regard, the policy suggests creating awareness about this technology. The policy encourages research and development in blockchain technology by enabling academic and research institutions, start-ups, and enterprises working on blockchain technology through a Blockchain Forum.
The policy also recommends aiding stakeholder government departments in developing an understanding of this technology. This should enable them to promote blockchain and leverage the technology for designing workflows and frameworks.
Finally, an oversight mechanism is proposed that will govern the blockchain initiative and ensure that the goals and objectives of the policy are met and blockchain adoption within Tamil Nadu is successful.
Governments can play an important role as a regulator as well as a consumer of blockchain technology. Several Governments around the world, notably Estonia, Georgia, and Singapore1, have introduced blockchain technology in governance. The Government of India and several state governments in India are planning to implement this technology for improving governance. Hon’ble Prime Minister of India has highlighted blockchain technology as an important tool for bringing in transparency and effi ciency to Government processes2 . Several state governments have carried out proof of concept implementations in areas like land registration, healthcare, and digital identity. Hon’ble Chief Minister of Tamil Nadu has taken leadership in using this technology and has announced the creation of Tamil Nadu state-wide blockchain backbone for delivering secure and effi cient services to the people of Tamil Nadu3. The Government believes that this technology will enable them to enhance the quality of the services provided to citizens as well as in bringing in effi ciency and transparency in government processes. While using blockchain technology it is also to be kept in mind that a wise selection of use cases is made and this technology is applied only when there is a clear benefit.
This policy is a guide for the path ahead in using blockchain technology within the State of Tamil Nadu.
Why Blockchain in e-Governance?
As a network technology that promises interoperability, transparency, and immutability, blockchain provides numerous benefi ts to governments. It can be harnessed for providing accountable and effi cient governance to citizens. Consider the following areas where blockchain can have a sizeable impact.
1. Governments often require multiple departments and authorities to work together to provide services to citizens. Seamless data exchange between departments is critical to provide effi cient service delivery. Smart contract enabled workfl ows and shared ledgers can track inter-departmental processes, bring in accountability, and enforce data security and ownership.
2. Blockchain can be used as a source of authentication and verifi cation for all the information and data produced by Government departments.
3. Blockchain can enable authorities to verify the authenticity of documents by comparing the physical document copy against a version stored in a blockchain. Storing the digital copy of the document in a blockchain instead of a centralized server makes it more secure and immune to tampering.
4. Blockchain can also be used to build better supply chains for government, exchanging encrypted inter-department communication, creating portable and privacy-preserving health records and for a myriad of other applications.
The end goal in all these cases is providing better services to citizens. This document guides us in leveraging blockchain to accomplish this for the residents of Tamil Nadu.
Goals & Objectives of the Policy
Following are the goals of this policy –
1. To make Tamil Nadu a global leader in blockchain technology.
2. To provide faster, effi cient, secure, and transparent delivery of services to the people of
Tamil Nadu by building new e-governance blockchain applications and also augmenting existing governance workfl ows and processes with blockchain.
3. To generate awareness and understanding about blockchain technology in executives and senior offi cers of Tamil Nadu government to promote adoption of the technology.
4. Provide opportunities to residents and organizations of Tamil Nadu to benefi t from
Blockchain Technology through community development and by creating a thriving ecosystem comprising of entrepreneurs, researchers, developers and professionals.
5. To promote and encourage mass adoption and implementation of blockchain technology in the State of Tamil Nadu, within the government as well as within various industries.
Following are the primary objectives of this policy –
1. To create a set of standards and establish guidelines to be followed by all Tamil Nadu Government blockchain implementations to ensure enhanced interoperability, security, privacy, and uniformity in technology stacks across Government departments.
2. To build a mature and self-sustaining blockchain community to aid the growth of blockchain technology in the State of Tamil Nadu.
3. To build a regulatory sandbox that can be used for building and deploying blockchain applications.
4. Creating an oversight mechanism for ensuring successful rollout, adoption, and implementation of the blockchain policy of Tamil Nadu.
Applicability of the Policy
This policy will be applicable to the following –
1. Any authority or body in Tamil Nadu, established or constituted under any Central or State law and owned or controlled by the Government of Tamil Nadu, or which receives any aid directly or indirectly from the Government of Tamil Nadu.
2. Organizational bodies such as cooperatives, trusts, societies, public sector undertakings and boards, whose composition and administration is controlled by the Government of
Tamil Nadu, or whose functions are of public interest for Tamil Nadu, or whose offi cers or offi ce bearers are appointed by the Government of Tamil Nadu.
3. Partnerships and joint venture companies of the Government of Tamil Nadu.
Following is the high-level strategy the policy will employ to achieve the end goals and objectives listed in the section on goals and objectives –
1. Envisioning a high-level design for building a common blockchain network for e-governance blockchain projects in Tamil Nadu.
2. Use case selection and prioritization for blockchain in e-governance.
3. Establishing standards and guidelines for designing, developing, and deploying government blockchain applications and for all applications using the Tamil Nadu state-wide blockchain backbone.
4. Laying out a plan for blockchain capacity building within Tamil Nadu for government executives and offi cers.
5. Encouraging industry-wide adoption of blockchain by encouraging cross-industry and cross-academia collaborations through a forum for blockchain ecosystem development. This forum will be called Nambikkai Inaiyam Manram.
6. Building a regulatory sandbox for blockchain applications.
7. Designing an oversight mechanism for implementing the blockchain policy.
Tamil Nadu State-wide Blockchain Backbone
The policy recommends building a backbone blockchain network for the State of Tamil Nadu. This network would function as the single source of truth and trust anchor for all government processes and data. This blockchain backbone would be used by the State of Tamil Nadu for reimagining governance and for encouraging the adoption of blockchain within the state. Following are the design recommendations for this network.
1. The network should be a hybrid blockchain platform hosted in state data centers, cloud or on-premise and allow participation from multiple stakeholders. It will be leveraged for building better G2G (Government to Government) and G2C (Government to Citizen) workfl ows and applications.
2. The blockchain stack should have a modular architecture with components that can be used to build applications and workfl ows. This will signifi cantly reduce the go-to-market time and cost for application development.
3. The platform should be capable of creating and deploying blockchain applications for all Government departments and public sector enterprises of Tamil Nadu.
4. The seed nodes of the network (initial nodes) shall be created and hosted by TNeGA. As new applications are deployed to production, the respective user department shall set up nodes on the peer to peer network to access their applications and secure the network from unauthorized modifi cations.
5. The network should work in a BaaS (Blockchain-as-a-Service) model. The Government can choose to extend services to stakeholders who choose to forgo hosting a blockchain backbone node. These stakeholders can use the Application Programming Interface (APIs) to connect to the blockchain network and build applications. This will help reduce their overhead and enable numerous players to quickly onboard the platform and start using it. The Government may charge users for accessing and submitting transactions to the network.
6. To ensure the sanctity and accuracy of data captured to the Blockchain, data added to the network needs to be cleaned, de-duplicated, and processed before submitting it to the blockchain.
7. The platform should have a modular, evolving, and open architecture that could provide access to other third parties and interoperate with other blockchain networks, if required.
Over a period, this platform should evolve as a trust anchor for all Government processes interacting with the citizens.
Use Case Selection and Prioritization
The Government needs to prioritize use of blockchain in the areas of governance where it will have the maximum impact. Following are some of the use cases recommended for blockchain implementation.
1. Data integrity and audit trails for government data and documents including inter and intra-organizational data, fi les and certifi cates, receipts, licenses, identifi cation documents, blueprints, etc. The data and documents being secured can be generated from the e-sevai platform or from other TN Government portals.
2. Securing academic records, certifi cates, degrees, and diplomas and providing a secure and trusted workfl ow for verifi cation of these records by authorities
3. Creating a portable digital identity and implementing privacy protection for residents of Tamil Nadu.
4. Using blockchain technology to secure TN government websites and portals against cyber threats and unauthorized manipulations.
5. Securing land registration transactions and enabling cross-departmental workfl ows for land mutation.
6. Tracking agriculture produce to help increase profi tability of farmers.
7. Creating a secure healthcare platform for safe storage and transmission of health data for the residents of Tamil Nadu.
8. Blockchain-enabled platforms for seamless distribution of benefi ts to residents of Tamil Nadu.
Guidelines for building Blockchain applications
For the blockchain initiative to be successful it is essential to have a set of guidelines and standards that need to be followed for building blockchain applications for e-governance and for other applications built using the state-wide blockchain backbone.
The policy recommends that the TN Blockchain Policy Implementation Committee, Protocols, and Standards Committee, and Legal & Regulatory Committee (hereafter referred to as the committees in this section), mentioned in section 11, should carry out the following tasks to ensure security, privacy, and maturity of blockchain applications which come under the purview of this policy.
1. The policy recommends the committees (TN Blockchain Policy Implementation Committee, Protocols and Standards Committee and Legal & Regulatory Committee) should audit and create a list of recommended blockchain platform(s) that should be used for application development. This list should be reviewed every year. All organizations within the purview of this policy shall use only these recommended platforms for developing blockchain applications.
2. The committees should chart out standards in the below categories –
a. Consensus/ordering mechanisms
b. Governance framework for networks
c. Enterprise blockchain application development standards
d. Privacy-preserving and consent management workfl ows
e. Test cases on security, scalability, and interoperability
f. Identity and access control management
g. Securely storing and retrieving public and private keys
h. Node on-boarding and off-boarding protocols
i. Deployment process
j. Bug testing and bug reporting
k. Smart contract standards and templates
l. Smart contract deployment, versioning, and retirement
m. Arbitration workflow for disputes
n. Workflow for pre-processing data to be captured on Blockchain
o. Archiving ledger data
p. SOP for dismantling and retiring a blockchain network
Organizations within the purview of this policy need to abide by the above standards. This list might be updated based on developments in the field of blockchain and the stakeholders will be notified in such a scenario.
3. The committees should chart out a SOP for evaluating and approving requests submit-ted for network creation and application development. They should also create a plan for periodically auditing these applications and networks.
4. The committees should work on designing and developing an interoperability protocol to enable other blockchain networks to integrate with the blockchain backbone and make it available to the stakeholders who need it.
5. The committees should periodically regulate applications deployed on the blockchain backbone. Sector-specific experts should be appointed to the committees who will lead network creation and network governance decisions concerning the sector in which their expertise lies.
The policy recommends following guidelines for the departments implementing blockchain and using the Tamil Nadu state-wide blockchain backbone.
1. All blockchain network formation requests for Government departments and public sector entities need to be submitted to the committees for approval and sign-off.
Requests will be evaluated based on the impact and value-proposition of the network and the intended application(s). The committees will oversee the compliance of all networks subject to this policy and approve the creation of such networks. The same process is to be followed for dismantling and retiring a network.
2. Organizations willing to build applications on the blockchain backbone need to submit their request including application features and technical details such as application process flow and low-level architecture to the committees who will review the requests and approve the requests on a case-to-case basis.
3. Organizations should only work with blockchain platforms that have been extensively peer-reviewed and have been approved to be used in production by the committees. Underlying cryptography algorithms used in the platform should not have security loopholes that can be exploited by malicious parties.
4. All applications deployed in production on the blockchain backbone need to follow standards prescribed by the committees.
5. If citizen private data is shared on a blockchain, all stakeholders involved in building the application are responsible for ensuring that the applications have suitable access controls, consent seeking mechanisms, and security measures in place to prevent any leak of confidential data and unauthorized access. Organizations should work towards implementing privacy-preserving mechanisms such as zero-knowledge proof workflows, so that citizen’s identity and data is secure.
6. Consensus / ordering mechanism used for operating the blockchain networks should be in line with guidelines issued by the committees.
7. Networks should have clearly defined rules for participation including the criteria for participation, different participant roles and roles with access to read/write data, node custodians, identity management – issuing and revoking keys, network access for non-node custodian participants, and so on. These should be strictly adhered to.
These should be submitted to the committees while submitting the request for network creation. The committees should be notified in case participants are added to / removed from the network. No rules should be changed without the approval of the committees.
8. Networks should have a clearly defined network governance framework for on-boarding and off-boarding participants to the network, hosting nodes, blacklisting and debarring participants and nodes, deploying software and security patches, version updates and backward compatibility of smart contracts, transactions submission and approval, consensus on ledger data, arbitration workflow in case of disputes or disagreements, archiving data and so on. These should be submitted to the committees while submitting the request for network creation or application development on the blockchain backbone. The submitted framework should be strictly adhered to. In case of any change, the committees should be notified.
9. Blockchain implementation should clearly list the different categories of nodes including validating nodes. The updated node directory with the list of participants and their node details should be shared with the committees periodically.
10. Organizations should mandatorily implement a secure process for storing and retrieving keys used to submit transactions to the blockchain network.
11. All networks and applications should be interoperable and compatible with the Tamil Nadu blockchain backbone to allow easy integration.
12. All applications deployed in production need to ensure that they are not in violation of any National laws or State laws of Tamil Nadu. This applies to funding and revenue generation mechanisms and any other guidelines published by the committee.
13. Complete confidentiality should be maintained with regards to the architecture and components of the applications, network, and blockchain backbone, especially in cases where publicly disclosing certain information might lead to compromising the security of the network or any dependent applications.
14. It is essential that applications must follow a mobile-first strategy wherever feasible to ensure greater penetration. Applications and workflows should provide support for feature phones as well as smart phones through mobile apps, SMSs, IVRs, and other communication channels. This will help make our blockchain initiative inclusive.
Capacity Building and Awareness
Senior executives and offi cers of the Government need to be aware of blockchain technology and have an in depth understanding of the opportunity it provides. They need to be well equipped to understand how blockchain can be used to augment their existing workfl ows and processes and build new services. At the same time, they need to have suffi cient knowledge of the risks involved in using this technology and suitable mitigation strategies for the risks. They also need to understand the security protocols that need to be adhered to to leverage this technology successfully. With the same in mind the policy propose the following initiatives –
1. Cross department and cross industry blockchain workshops in association with blockchain partners designed at decoding the technology for executives and making it relevant to challenges faced by them.
2. Short term events– Workshops, bootcamps, panel discussions and hackathons aimed at helping Government departments understand the technology and where they can implement it.
3. Long term events – Professional courses designed for Government offi cials who need an in-depth understanding of blockchain for policy making and for designing frameworks for public welfare
Encouragements for adoption of Blockchain Technology
10.1 Forum for Blockchain Ecosystem Development :
A forum for blockchain ecosystem development should be setup to promote collaborations between industry, start-ups and academia and build a mature blockchain ecosystem. The forum should focus on the following areas –
1. Providing a cross-industry platform for leveraging blockchain technology by connecting start-ups and blockchain practitioners with different industry verticals and Government departments.
2. Providing a forum for exchange of ideas for making Tamil Nadu a global leader in blockchain technology.
3. Outlining a high-level plan for evolving Tamil Nadu’s blockchain infrastructure with the focus on enabling private sector, start-ups, and academia.
10.2 App Development Platform
Tamil Nadu state-wide blockchain is envisioned to be a platform with pluggable business modules that can be installed or removed on a node depending on the requirements of the business use case. Underlying the business modules would be the blockchain core software which will constantly sync with the other nodes in the network.
This modular architecture is expected to reduce the development cycle for apps built on this platform. It will also enable stakeholders to create custom node infrastructure specific to use cases and reduce the overhead for nodes hosting the blockchain platform.
Developers can access these modules and the underlying blockchain layer through API gateways. The policy recommends that the TNeGA shall develop and distribute Software Development Kit (SDKs) for the API gateways that can be used for app development.
The modular approach and SDKs will allow Government departments to work with multiple start-ups and enterprises. They can leverage the underlying blockchain backbone for building apps and integrating legacy solutions.
10.3 Regulatory Sandbox
The policy recommends that the Government should provision for a semi-regulated sandbox environment for building e-governance applications using blockchain. Application developers for the blockchain backbone need access to controlled testing environment for building and testing products and services. This controlled environment needs to be a complete or partial replica of the live environment with slightly relaxed regulations, so developers are able to recreate live-like scenarios and observe the behaviour of the applications and test the project’s viability.
Regulators and policy makers benefi t from sandboxes as they can draft policies and regulations in response to the Innovations and take to a pro-active approach to new technical innovations instead of a reactive one. Sandboxes allow for evidence based decision making.
Projects should be on boarded to the regulatory sandbox blockchain in cohorts with fi xed number of participants. Projects should be selected based on merit and the end benefi t to the residents of Tamil Nadu amongst other parameters. All cohort participants should have a pre-determined timeline and milestones in which they would develop, test and deploy their fi nal product. Presentations and demos to should be a part of these milestones. The end goal of all projects inducted to the sandbox environment should be production implementation and live rollout.
For effective implementation of the policy and ensure that all stakeholders meet the goals and objectives of the policy enlisted in section 3, the policy recommends formulating committees that will drive the implementation and adoption of blockchain in the State.
These committees should include representation from the Government, public sector, private sector, and academia to enforce guidelines and ensure that the end goals are met.
Following are the committees that would be set up:
11.1 TN Blockchain Policy Implementation Committee
This would be the core committee that drives and guides the implementation of blockchain within the e-governance structure in Tamil Nadu. The committee would be led by CEO, TNeGA and include Secretaries/senior offi cers from IT and other departments, participants from public sector enterprises working with blockchain technology, and renowned blockchain experts from the industry and academia. The main mission of this committee would be to shape the vision of implementing blockchain in the State and updating the policy in line with advancements in blockchain technology and prevailing conditions of blockchain adoption in the State. Additionally, the committee should monitor the blockchain backbone project, ensuring the timelines and milestones are met and create a future roadmap for the platform.
Following are the suggested rules and responsibilities of this Committee –
1. Ensure current and future blockchain implementations and applications in Tamil Nadu are aligned with the policy.
2. Drive adoption of blockchain technology and blockchain backbone across key stakeholders in the ecosystem through training and workshops and seminars and academic conferences.
3. Guide other committees to ensure that the guidelines and standards issued for blockchain applications are adhered to.
4. Define and guide the roadmap of the blockchain backbone and the end goals and objectives for each phase of development.
11.2 Protocols and Standards Committee
A Protocol and Standards Committee would be setup. It would create and enforce security, architecture, coding and smart contract standards and SOPs for deploying and operating Government blockchain applications and applications deployed to the blockchain backbone. The committee would be led by CEO, TNeGA and include Secretaries/senior officers from IT and other departments, participants from public sector enterprises working with blockchain technology, and renowned blockchain experts from the industry and academia, Representatives from the Tamil Nadu State Data Centre and third party audit partners.
The protocols and standards that would be devised should include the following (This list is just indicative and not exhaustive) –
1. Designing a broad technology stack that developers can leverage to build solutions.
2. Establishing data sharing and privacy norms. Defining what data can and cannot be shared. Ideally organizations should avoid sharing any citizen data on blockchain. In specific use cases requiring sharing of data, the data should be encrypted or identifying fields should be removed before posting it on blockchain. Appropriate access controls should be implemented to ensure read/write access is available on a need to know/edit basis.
3. Designing suitable authentication protocols and access controls for accessing the blockchain backbone APIs.
4. Creating best practices for designing blockchain solution architecture and for production and test deployment as defined in the section 8.
5. Defining a detailed security policy for all Tamil Nadu blockchain applications.
6. Charting a governance framework for the state-wide blockchain infrastructure. The governance framework will define the various roles, access to data, authorizers and verifiers, consensus protocol, node custodians etc.
11.3 Legal and Regulatory Committee
This committee would make recommendations to the Government on upgrading the regulatory framework to derive maximum benefi t from blockchain technology without any ethical or legal concerns. They would ensure that any production deployments should be within the purview of existing National and State laws and the regulatory framework.
Following are the suggested responsibilities of this Committee –
1. Study and frame a legal process for blockchain enabled notarization and authentication so that identity, documents and data generated and stored on blockchain can be used as artefacts in the Court of Law.
2. Defi ning a legal framework for arbitrating and settling disputes arising from smart contracts and blockchain applications.
The committee would have representation from policy makers, technologists, and the legal community to ensure successful adoption and implementation of blockchain technology within the State.
This policy provides a high-level plan for introducing and adopting blockchain technology within the State of Tamil Nadu. The Government looks forward to implementing this technology within the e-governance system and enable other Government departments and agencies to leverage it to build apps and solutions. The policy aims to strengthen Tamil Nadu’s expertise in blockchain technology and make it a global leader in delivering citizen centric services that are faster, effi cient, and secure.
1 Global advancements in Blockchain for Government application Estonia – [https://qz.com/1535549/living-on-the-Blockchain-is-a-game-changer-for-estonian-citizens]
Georgia – [https://www.mitpressjournals.org/doi/pdf/10.1162/inov_a_00276 Singapore – https://www.ledgerinsights.com/tribe-accelerator-Blockchain-ecosystem%5D
2 PM pitches for Blockchain in agriculture – [https://inc42.com/buzz/pm-modi-pitches-for-us-age-of-ai-and-Blockchain-in-agriculture]
PM bullish on AI and Blockchain – [https://www.businesstoday.in/current/economy-politics/ pm-bullish-on-ai-Blockchain-technologies-open-to-Policy-changes-to-reap-benefi ts/sto-ry/284861.html]
3 Tamil Nadu State-wide Blockchain backbone [https://timesofi ndia.indiatimes.com/city/ chennai/tamil-nadu-govt-services-to-become-hassle-free-with-aid-of-high-tech/article-show/70191426.cms]
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