Relevance in 2026 and Beyond

From Digital Hundi to Global Standard

How India's UPI Revolution and Digital Public Infrastructure model is reshaping global finance, from G20 adoption to cross-border payments, and what it means for financial inclusion worldwide.

Relevance in 2026 and Beyond: From Digital Hundi to Global Standard

A Transaction in Singapore

In February 2024, a tourist from Mumbai walks into a hawker center in Singapore. She sees a sign she recognizes, a QR code with the UPI logo. She scans it with PhonePe, enters the amount in rupees, and the Singapore vendor receives payment in dollars. Instantly. No intermediary bank. No forex counter. No 3% Visa fee.

Five years ago, this was impossible. Today, it's a glimpse of the future, a future where India's digital payment rails are becoming a global standard, and where Dharmic principles of trust, interoperability, and public good are reshaping how the world moves money.

But this isn't just about technology. It's about a fundamental question: Can developing nations set global standards? Can ancient principles of collective welfare outcompete profit-maximizing platforms?

The Global Challenge: Fragmented, Expensive, Exclusionary

The global payments system in 2024 remains remarkably broken.

Cross-border remittances cost an average of 6.2% globally, meaning migrant workers sending $500 home lose $31 to fees. For Africa, it's worse: 8.5% average, with some corridors exceeding 20%. The World Bank's target of 3% by 2030 looks increasingly unrealistic.

Small merchants worldwide remain dependent on Visa and Mastercard, paying 2-3% on every transaction. For a restaurant with 5% margins, this fee consumes 40-60% of their profit. In developing nations, these fees push merchants into cash-only operations, keeping them invisible to the formal economy.

Financial exclusion persists despite decades of effort. 1.4 billion adults globally remain unbanked. Even among the banked, 3 billion lack access to meaningful credit. The traditional banking model, brick-and-mortar branches serving customers with stable incomes and collateral, cannot reach them economically.

Meanwhile, Big Tech is moving into finance. Apple Pay, Google Pay, and various fintech "super apps" promise convenience but replicate the old model: private control of rails, data extraction, and rent-seeking. The platform, not the user, captures most of the value.

What the UPI Revolution Taught Us

This chapter explored how India responded differently, not by fighting private platforms, but by building public infrastructure they couldn't ignore.

The core principles we examined:

Vishwasa (Trust): The ancient hundi system ran on reputational trust across vast distances. UPI digitized this trust through interoperability, your money reaches any merchant, any bank, because the system was designed for universal access, not platform lock-in.

Shreni-Sanghata (Guild Federation): Like the Manigramam merchants who created shared standards while competing on execution, NPCI brought rival banks together to build common rails. Competition happens on top, cooperation at the base.

Janopayogi-Tantra (Technology as Public Good): The India Stack model, Aadhaar, UPI, Account Aggregator, proved that public infrastructure can enable private innovation. Governments build rails; startups build services.

Design for a Billion: Systems built for the excluded, rural poor, street vendors, first-time smartphone users, turned out to work for everyone. The margins test the system; the mainstream benefits.

The Bridge: Ancient Wisdom Meets Global Future

These principles are now traveling beyond India's borders.

Global South Adoption

G20 New Delhi Declaration (2023) marked a turning point. For the first time, a G20 presidency made Digital Public Infrastructure (DPI) a central agenda item. The declaration committed members to explore public digital rails for identity, payments, and data exchange.

Countries are acting:

• Singapore linked PayNow to UPI in February 2024, enabling real-time retail payments between the two countries
• UAE, France, and UK are in advanced talks for UPI linkages
• Philippines, Vietnam, Thailand are studying the NPCI model for domestic implementation
• African Union has invited India to help design a pan-African payment system

CBDC Convergence

Central Bank Digital Currencies represent the Janopayogi principle applied to money itself. The RBI's digital rupee pilot is designed to work on UPI rails, meaning the same interoperability principles extend to the currency layer.

This matters because CBDCs could either:

1. Replicate old exclusions (if designed for surveillance and control), or
2. Enable inclusion (if designed on open, interoperable principles)

India's approach suggests the second path is possible.

AI and Credit Access

The Account Aggregator framework, combined with AI, is transforming credit. By late 2024:

• 85 million+ consent requests processed through Account Aggregators
• Average loan approval time dropped from weeks to minutes for small businesses
• Alternative data scoring (UPI transaction history, GST filings) is reaching the "thin file" population that traditional credit bureaus ignore

This is the ancient hundi trader's creditworthiness, based on transaction history and reputation, reimagined for the digital age.

Addressing Skepticism

"Isn't this just Indian nationalism dressed as technology?"

Fair question. But the DPI model is explicitly open-source and non-proprietary. India isn't licensing UPI to other countries, it's sharing the architecture freely. Countries can modify it for local needs. The value isn't in controlling the system; it's in expanding the network.

"What about privacy concerns with Aadhaar?"

Legitimate concern. Aadhaar has faced valid criticism about centralized data and surveillance potential. The Account Aggregator framework addresses some of this through consent-based, purpose-limited data sharing. But privacy architecture remains a work in progress, and other countries adopting DPI should learn from both India's successes and its mistakes.

"Can public systems really innovate as fast as private platforms?"

The evidence suggests yes, when structured correctly. Public rails + private apps creates competitive innovation where it matters (user experience, features) while ensuring interoperability at the base. PhonePe and GPay compete fiercely on UPI, far more innovation than in markets dominated by a single platform.

"Will Big Tech and Big Finance allow this to succeed?"

They're certainly pushing back. Visa and Mastercard are lobbying against domestic payment alternatives globally. WhatsApp Pay spent years trying to circumvent India's data localization rules. But the momentum is shifting, when enough countries adopt open rails, the network effects favor interoperability over proprietary lock-in.

Call to Practice

The UPI Revolution isn't something to admire from a distance, it's a model to participate in and extend.

As a citizen: Understand your digital financial infrastructure. Use UPI and Account Aggregators intentionally. Exercise your consent rights, data sharing should be purposeful, not default.

As a professional: Whether in tech, policy, or business, study the DPI model. The principles, interoperability, consent, public rails with private innovation, apply beyond payments to healthcare, education, and governance.

As a global citizen: Advocate for open digital infrastructure in your country. The alternative is permanent dependency on American tech platforms or Chinese state systems. The Janopayogi path offers a third way.

The ancient hundika understood something we're rediscovering: financial systems are trust networks. Design them for extraction, and they serve the few. Design them for inclusion, and they can serve everyone.

India's UPI Revolution is unfinished. Its true test isn't domestic success, it's whether Dharmic principles of public good, federated trust, and inclusive design can become global standards.

The 21st century will be defined by who controls digital infrastructure. India has made its choice. The question now is whether the world will follow.