Can Blockchain and DeFi exist along with Traditional Banks?
India’s financial system has undergone a remarkable transformation over the past decade. From the rapid expansion of digital payments to the emergence of fintech platforms, financial services are increasingly becoming technology-driven, accessible and interoperable. Yet significant gaps remain, particularly around access to affordable credit, cross-border payments, financial inclusion and services for individuals and businesses operating outside the formal economy.
This creates an important question: Can traditional banks use blockchain and decentralized finance (DeFi) technologies to expand financial access without abandoning the safeguards and institutional structures of regulated banking?
Decentralized finance refers to financial applications built primarily on blockchain networks that can enable activities such as lending, borrowing, payments and asset transfers through programmable protocols rather than relying exclusively on conventional intermediaries. The concept is particularly relevant to emerging economies because blockchain-based infrastructure can potentially reduce transaction friction and enable peer-to-peer financial interactions.
For India, however, the opportunity is not simply to replace banks with decentralized protocols. A more practical proposition may be hybrid or regulated decentralized finance, where banks combine their existing strengths—trust, compliance, deposits, customer relationships and risk management—with blockchain’s capabilities in programmability, transparency and settlement.
The Indian Financial System: A Large Market with Persistent Gaps
India has made substantial progress in financial inclusion. Government-backed digital infrastructure, bank-account expansion and the growth of digital payments have brought millions of people into the formal financial system.
However, having a bank account does not necessarily mean having adequate access to financial services.
Small businesses, informal workers, migrant workers and micro-entrepreneurs can still encounter difficulties when attempting to obtain formal credit. Traditional credit assessment often depends on documented income, collateral, credit history and other information that may be unavailable or incomplete for informal economic activity.
This is where blockchain-based financial infrastructure could become relevant.
Instead of viewing blockchain solely as a cryptocurrency technology, it can be understood as a shared digital infrastructure for recording, verifying and executing transactions. Smart contracts can automate predefined financial processes, while tokenization can create digital representations of assets or claims.
The potential implication for India is significant: blockchain could become an additional infrastructure layer connecting banks, fintech companies, businesses and customers.
What Is DeFi and Why Does It Matter for Indian Banking?
Decentralized finance generally refers to financial services delivered through blockchain-based applications and smart contracts.
Traditional banking typically follows a model such as:
Customer → Bank → Financial Service
A decentralized application can potentially operate more like:
User → Blockchain Protocol → Financial Service
The second model can reduce dependence on a central intermediary for certain functions. However, removing intermediaries also creates new risks involving consumer protection, governance, cybersecurity, market volatility, identity and regulatory compliance.
For India, therefore, the more relevant question may not be whether banks should become entirely decentralized.
The more practical question is:
How can regulated financial institutions selectively incorporate DeFi and blockchain capabilities while retaining appropriate consumer protection and regulatory oversight?
This distinction is critical.
Blockchain Banking in India: From Cryptocurrency to Financial Infrastructure
Blockchain is frequently associated with cryptocurrencies, but its potential applications in banking extend beyond digital currencies.
Indian banks could potentially use blockchain technology for:
- Cross-border payments
- Trade finance
- Digital identity verification
- Securities settlement
- Tokenized assets
- Supply-chain finance
- Loan documentation
- Collateral management
- Interbank settlement
- Automated compliance processes
- Programmable financial contracts
In these applications, blockchain does not necessarily have to replace the bank.
Instead, the bank becomes an institutional participant in a blockchain-enabled financial ecosystem.
This could create a model in which regulated banks provide the interface, custody, compliance and risk-management functions while blockchain networks provide selected settlement and programmability capabilities.
DeFi and Financial Inclusion in India
Financial inclusion is perhaps the most important potential application.
India’s informal economy includes millions of small merchants, self-employed workers, agricultural participants and micro-enterprises. Many generate economic value without producing the conventional documentation required by traditional credit systems.
Blockchain alone cannot solve this problem. A blockchain can verify information, but it cannot automatically determine whether the underlying information is accurate.
However, when combined with digital identity, transaction histories, alternative credit data and consent-based data sharing, blockchain infrastructure could potentially contribute to a more sophisticated financial-access model.
For example, consider a small merchant that receives thousands of digital payments but has limited formal credit history.
A future banking platform could potentially use verified transaction information—with appropriate customer consent—to create a more comprehensive financial profile.
A simplified model could look like:
Digital transactions → Verified data → Alternative credit assessment → Smart-contract-enabled lending → Automated repayment
The bank remains responsible for underwriting and regulatory compliance, while blockchain technology supports verification and execution.
The Rise of Tokenized Finance
One of the most important areas connecting traditional finance and blockchain is tokenization.
Tokenization involves creating a digital representation of an asset, financial instrument or economic claim on a blockchain.
Potential applications include:
- Government securities
- Corporate bonds
- Deposits
- Trade-finance instruments
- Real-world assets
- Receivables
- Fund units
For Indian financial institutions, tokenization could potentially improve settlement efficiency and create more programmable financial instruments.
Imagine a trade-finance transaction in which the financing agreement, documentation, payment conditions and release of funds are represented through interoperable digital infrastructure.
Instead of several parties maintaining separate records and reconciling them manually, shared blockchain infrastructure could potentially allow authorized participants to access a common version of transaction information.
This could reduce reconciliation costs and processing delays.
How Indian Banks Could Integrate DeFi Without Becoming Fully Decentralized
The future of banking does not necessarily have to be a choice between centralized banks and decentralized protocols.
A third model is emerging:
Regulated Hybrid Finance
In this model, traditional banks continue to perform functions such as:
- Customer identification
- Compliance
- Risk assessment
- Deposit management
- Consumer protection
- Regulatory reporting
- Credit underwriting
Blockchain infrastructure can potentially support:
- Automated settlement
- Programmable transactions
- Tokenization
- Digital asset transfer
- Shared transaction records
- Smart-contract execution
This creates a banking-plus-blockchain model rather than a bank-versus-blockchain model.
A Possible DeFi-Banking Architecture for India
A future blockchain-enabled banking ecosystem could contain several layers.
Layer 1: Customer Interface
Customers continue to interact through familiar channels:
- Mobile banking
- Internet banking
- UPI-enabled applications
- Bank branches
- Fintech applications
The customer may not even need to know that blockchain is being used underneath.
Layer 2: Identity and Compliance
Banks and regulated entities maintain:
- KYC
- AML controls
- Customer consent
- Risk profiles
- Regulatory reporting
Layer 3: Blockchain Infrastructure
Blockchain networks can potentially provide:
- Transaction records
- Smart contracts
- Tokenized assets
- Settlement mechanisms
- Programmable financial logic
Layer 4: Financial Services
Applications could include:
- Lending
- Payments
- Trade finance
- Investment products
- Asset management
- Cross-border transactions
Layer 5: Regulatory Oversight
Regulators and supervisory institutions can establish rules around:
- Consumer protection
- Cybersecurity
- Market integrity
- Data protection
- Financial stability
- Smart-contract risks
This architecture allows decentralization to occur selectively rather than indiscriminately.
India’s Digital Public Infrastructure Could Accelerate Blockchain Adoption
India’s experience with digital public infrastructure offers an important foundation for future financial innovation.
Platforms and systems associated with digital identity, instant payments and consent-based data sharing have demonstrated that financial infrastructure can become highly interoperable.
The lesson for blockchain adoption is important.
Technology becomes more valuable when it is connected to an ecosystem rather than deployed as an isolated innovation.
Blockchain-based financial services could potentially build on India’s existing digital infrastructure rather than attempting to create a completely separate financial ecosystem.
For example:
Digital identity + Digital payments + Account aggregation + Blockchain + Smart contracts
could create new models for financial services.
The combination could be more significant than blockchain technology alone.
Smart Contracts: The Missing Link Between Banking and DeFi
Smart contracts are programmable agreements deployed on blockchain networks.
In traditional banking, many financial processes require multiple intermediaries and manual verification.
A smart contract can potentially automate predefined actions when specified conditions are satisfied.
For example:
If verified goods are delivered → release payment
or:
If repayment is received → update the loan record
or:
If collateral falls below a predefined threshold → initiate the agreed risk-management process
For banks, this could reduce administrative friction in selected financial processes.
However, smart contracts should not be treated as automatically trustworthy. Bugs, flawed assumptions, oracle failures and cybersecurity vulnerabilities can create financial losses.
Consequently, institutional adoption would require strong governance, testing, monitoring and legal enforceability.
Cross-Border Payments: A Major Opportunity for Blockchain Banking
Cross-border payments remain one of the areas where blockchain could have substantial relevance.
International transactions can involve:
Sender → Sending bank → Correspondent bank → Intermediary institution → Receiving bank → Recipient
Blockchain-based settlement systems could potentially reduce the number of reconciliation points in certain transaction structures.
For India, this could matter for:
- Remittances
- International trade
- Exporters and importers
- Global businesses
- Freelancers
- Cross-border financial institutions
Nevertheless, blockchain does not automatically eliminate regulatory requirements involving foreign exchange, sanctions screening, AML compliance and taxation.
The technology can improve infrastructure, but the regulatory framework still determines how financial transactions can legally occur.
DeFi Lending and the Indian Credit Market
Decentralized lending protocols have demonstrated that blockchain networks can support automated lending and borrowing.
But applying this model directly to India presents substantial challenges.
Traditional banks evaluate borrowers using:
- Income
- Credit history
- Collateral
- Repayment capacity
- Employment or business information
- Risk models
A permissionless DeFi protocol may instead rely heavily on collateral or on-chain information.
That model may not serve many financially underserved Indians because individuals without significant digital assets may not possess sufficient collateral.
A more relevant Indian model could therefore involve permissioned blockchain-based lending, where banks combine alternative data with conventional underwriting.
This could potentially support:
Small businesses + digital transaction records + verified identity + alternative credit assessment + regulated lending
The objective would not be to eliminate credit assessment, but to make it more data-rich and potentially more inclusive.
Challenges: Why DeFi Adoption by Indian Banks Will Not Be Easy
The potential benefits of decentralized finance must be considered alongside significant challenges.
1. Regulatory Uncertainty
Financial institutions operate within highly regulated environments.
Any blockchain-based banking model must address questions around:
- Licensing
- Consumer protection
- Data governance
- AML/KYC
- Taxation
- Cross-border transactions
- Digital asset regulation
- Legal recognition of smart contracts
Regulatory clarity is therefore a prerequisite for large-scale institutional adoption.
2. Cybersecurity and Smart-Contract Risk
Blockchain transactions can be difficult or impossible to reverse.
A vulnerability in a smart contract can therefore have serious consequences.
Banks would need rigorous:
- Code audits
- Security testing
- Access controls
- Monitoring
- Incident-response systems
before deploying blockchain-based financial infrastructure at scale.
3. Privacy
Public blockchains can provide transparency, but financial transactions contain highly sensitive information.
Indian banks cannot simply place customer information on an unrestricted public ledger.
Privacy-preserving technologies and permissioned blockchain networks may therefore become particularly important.
4. Scalability
Financial institutions process enormous transaction volumes.
A blockchain system must be capable of handling high throughput while maintaining security, reliability and acceptable transaction costs.
5. Interoperability
India’s financial ecosystem already contains numerous systems.
Blockchain networks would need to interact with:
- Core banking systems
- Payment infrastructure
- Digital identity systems
- Fintech platforms
- Capital-market infrastructure
- International financial networks
Without interoperability, blockchain could create another technological silo instead of eliminating existing fragmentation.
The Role of RBI and India’s Regulatory Environment
The Reserve Bank of India has explored blockchain and distributed-ledger technologies while maintaining a cautious approach toward private cryptocurrencies.
India’s central bank has also developed and tested the digital rupee (e₹) as a central bank digital currency.
This distinction is important.
A central bank digital currency is fundamentally different from permissionless DeFi.
The digital rupee represents a central-bank-issued form of digital money, whereas DeFi generally refers to blockchain-based financial applications that operate through decentralized protocols.
However, CBDC infrastructure and blockchain-enabled financial services could potentially coexist within a broader digital financial ecosystem.
The future could therefore involve several parallel layers:
Central bank money + Commercial bank money + Tokenized assets + Blockchain infrastructure + Regulated financial applications
The challenge will be designing interoperability between these components.
From Banks as Gatekeepers to Banks as Financial Infrastructure Providers
Historically, banks have served as gatekeepers between customers and financial services.
Digital transformation is gradually changing that role.
In the future, banks may increasingly become financial infrastructure providers rather than merely institutions through which customers access financial products.
Their competitive advantage could shift toward:
- Trusted identity
- Regulatory compliance
- Risk management
- Data
- Custody
- Liquidity
- Institutional relationships
- Financial infrastructure
Blockchain could become one component of this infrastructure.
In this model, customers might not consciously interact with a “DeFi application.” Instead, they could use a banking application that quietly relies on blockchain-based settlement or tokenization underneath.
The Future: CeFi, DeFi and TradFi Converge
The financial system is often described using three categories:
TradFi: Traditional finance
CeFi: Centralized finance
DeFi: Decentralized finance
The distinction may become less clear over time.
Traditional banks are already becoming increasingly digital. Fintech companies are integrating banking services. Blockchain companies are building financial infrastructure. Central banks are experimenting with digital currencies.
Consequently, the future may not belong exclusively to any one model.
Instead, financial services could become a combination of:
Traditional institutions + Fintech + Blockchain + Digital public infrastructure + Smart contracts
For India, this hybrid approach could be particularly relevant because the country’s financial ecosystem combines sophisticated digital infrastructure with a large and diverse population that includes substantial informal economic activity.
What Could Blockchain Banking Look Like in India by 2030?
A hypothetical blockchain-enabled Indian banking ecosystem could look like this:
Customer
Uses a normal banking application.
↓
Digital Identity
Identity and consent are verified through established digital infrastructure.
↓
Bank
Provides regulated financial services and manages customer relationships.
↓
Blockchain Layer
Records selected transactions and executes programmable agreements.
↓
Smart Contracts
Automate lending, settlement or trade-finance processes.
↓
Tokenized Assets
Represent eligible financial assets digitally.
↓
Regulatory Layer
Provides supervision, reporting and consumer safeguards.
The customer may experience little visible difference.
Yet the underlying infrastructure could be significantly more automated and interoperable.
Conclusion: India’s Opportunity Is Not to Replace Banks but to Reimagine Them
The most important question surrounding DeFi in India is not whether decentralized protocols will replace traditional banks.
It is whether traditional banks can selectively adopt decentralized technologies to become more efficient, interoperable and inclusive.
Blockchain offers potential advantages in areas such as programmable transactions, shared records, tokenization and settlement. DeFi demonstrates how financial services can be constructed using software-based protocols rather than relying exclusively on conventional intermediaries.
But India’s financial ecosystem has unique requirements.
A successful model would need to combine technological innovation with:
- Regulatory oversight
- Consumer protection
- Privacy
- Cybersecurity
- Financial stability
- Interoperability
- Responsible innovation
This points toward a hybrid future rather than a complete transition from centralized to decentralized finance.
The future of Indian banking may therefore not be “banking without banks.” It could be banking in which banks themselves become programmable, interoperable and blockchain-enabled institutions.
If implemented carefully, blockchain could transform the role of Indian banks—from traditional gatekeepers of financial services into trusted gateways connecting customers, digital assets, decentralized protocols and India’s broader digital financial infrastructure.
Team Cite&Write
References
- Aquilina, M., Cornelli, G., Frost, J., & Gambacorta, L. (2025). Cryptocurrencies and decentralised finance: Functions and financial stability implications. Bank for International Settlements, BIS Papers No. 156.
- Auer, R., Haslhofer, B., Kitzler, B., Saggese, P., & Victor, F. (2023). The Technology of Decentralized Finance (DeFi). Bank for International Settlements, BIS Working Paper No. 1066.
- International Labour Organization (ILO). (2021). Growth, economic structure and informality. ILO Working Paper No. 69. The paper discusses the scale of informality and notes that informal GDP can range between 15% and 35% depending on the region.
- Makarov, I., & Schoar, A. (2023). Cryptocurrencies and Decentralised Finance (DeFi). Bank for International Settlements, BIS Working Paper No. 1061. The paper examines DeFi applications, including decentralized exchanges, lending and borrowing, and compares DeFi with traditional financial intermediation.
- NITI Aayog. (2020). Blockchain: The India Strategy — Towards Enabling Ease of Business, Ease of Living and Ease of Governance. Government of India. This is particularly useful for the India-specific sections of your article because it discusses blockchain use cases, implementation challenges, smart contracts, distributed ledgers and India’s digital infrastructure.
- Reserve Bank of India. (2022). Operationalisation of Central Bank Digital Currency – Retail (e₹-R) Pilot. Reserve Bank of India, Press Release, November 29, 2022. The RBI describes the e₹-R as a digital token representing legal tender and notes that transactions can include P2P and P2M payments.
- Reserve Bank of India. (2023). Report on Trend and Progress of Banking in India / Regulatory Initiatives in the Financial Sector. Reserve Bank of India. The RBI’s reporting discusses regulatory attention to crypto-assets, DeFi, cyber risk, emerging technologies and financial-system resilience.
- Reserve Bank Innovation Hub (RBIH). (2023). Annual Report 2022–23. The report describes an interoperable distributed-ledger technology proof of concept involving fintechs, banks and technology partners, including a use case involving letters of credit.
- World Bank. (2022). The Global Findex Database 2021: Financial Inclusion, Digital Payments, and Resilience in the Age of COVID-19. World Bank. The database reports that approximately 1.4 billion adults remained unbanked globally in 2021, while account ownership reached 76% of adults.
- World Economic Forum. (2022). Stone, A. Why decentralized finance is good news for the unbanked. World Economic Forum. The article discusses the potential of DeFi as a “leapfrog” technology and cites an estimated 1.7 billion people without access to financial services at the time. It also cites an estimate that up to 35% of economic activity in developing markets occurs in the informal economy.