Payment rails are the infrastructure that enables the transfer of money between banks, payment service providers, and other financial institutions. For businesses, selecting the appropriate payment rail hinges on factors such as speed, cost, geography, and customer satisfaction.
UPI and SWIFT are two prominent examples of payment rails. UPI facilitates instant real-time payments in India, while SWIFT is a global messaging network for secure cross-border transactions. Lightspark aims to transcend these traditional systems by introducing a new category of global payments infrastructure built on Bitcoin’s decentralized foundation.
The Payment Rail Landscape
Payment rails are crucial for transferring money between parties. However, current systems can be slow, fragmented, and costly, often leading to inefficiencies and higher expenses for businesses and consumers alike.
Understanding UPI and SWIFT
How UPI Works
A Unified Payments Interface (UPI) is a real-time payment system developed by the National Payments Corporation of India (NPCI). It allows users to transfer money between bank accounts using a mobile app without needing to enter bank details. UPI leverages existing systems like Immediate Payment Service (IMPS) and Aadhaar Enabled Payment System (AEPS) for seamless transactions. The typical flow involves logging into the UPI app, selecting the send or receive option, entering the recipient's virtual ID and amount, and authorizing the transaction with a UPI PIN. Both parties receive instant confirmation via text message.
Strengths and Limitations of UPI
Strengths
- UPI enables instant real-time payments, making transactions quick and efficient.
- It eliminates the need to enter bank details for each transaction, enhancing user convenience and security.
- UPI is regulated by the Reserve Bank of India (RBI), ensuring oversight and safety.
Limitations
- UPI requires users to have a smartphone and access to mobile internet, which may exclude those without such technology.
- International capabilities of UPI are still developing, limiting its global reach compared to established systems like SWIFT.
- Real-time payments are more vulnerable to social engineering frauds, posing security risks.
How SWIFT Works
SWIFT operates as a global member-owned cooperative, connecting over 11,000 financial institutions worldwide. It facilitates secure, standardized financial messaging without holding funds or managing accounts. The process involves sending and receiving standardized messages for various transactions, supported by technologies like Alliance Cloud and ISO 20022 standards. A typical transaction starts with a financial institution initiating a payment, which is formatted into a SWIFT message and securely transmitted to the recipient institution. The recipient processes the transaction, and settlement occurs through correspondent banking relationships. SWIFT’s infrastructure ensures security, reliability, and compliance in financial communications.
Strengths and Limitations of SWIFT
Strengths
- SWIFT ensures secure financial messaging and infrastructure, reinforcing the global banking system against cyber threats.
- It connects over 11,000 financial institutions worldwide, enabling efficient international transactions.
- SWIFT is a leader in financial messaging standards, notably ISO 20022, providing consistent and structured data for transactions.
Limitations
- SWIFT's systems can be complex to implement and maintain, requiring extensive documentation, training, and support.
- International transfers via SWIFT can be slow, sometimes taking days to complete.
- SWIFT's reliance on correspondent banks for fund transfers can introduce additional costs and delays.
UPI and SWIFT Compared
Transaction Speed
UPI offers instant real-time payments, processing transactions within seconds. In contrast, SWIFT transactions can take from a few hours to several days due to the involvement of multiple correspondent banks. Lightspark, leveraging the Lightning Network, promises real-time, global money movement, enhancing speed and efficiency.
Fees
UPI transactions are typically free for users, with minimal costs for service providers. SWIFT transactions, however, often involve higher fees, including both fixed and variable charges. Lightspark emphasizes low-cost payments, reducing both explicit transaction fees and hidden costs.
Cross-Border Capabilities
UPI is expanding internationally but is primarily domestic, with limited cross-border capabilities. SWIFT, on the other hand, is a well-established global network for international transactions. Lightspark aims to provide seamless, low-cost, and reliable cross-border payments, leveraging Bitcoin’s decentralized foundation.
Security Protocols
UPI benefits from robust, multi-layered security protocols established by the Indian banking sector, while SWIFT ensures secure financial messaging through standardized protocols. Lightspark, built on Bitcoin’s decentralized foundation, offers strong security guarantees and compliance features.
Operational Hours
UPI operates 24/7, allowing for immediate money transfers at any time. SWIFT does not provide real-time transactions and can be subject to banking hours and settlement windows. Lightspark supports 24/7 payments, ensuring continuous operational capability.
How UPI And SWIFT Are Used
Small-Value Remittances
UPI is ideal for small-value remittances due to its low-cost structure and instant transfer capabilities. SWIFT, with its higher fees and slower processing times, is less suitable. Lightspark offers real-time, low-cost transfers, making it a superior choice for small-value remittances across borders.
High-Value Business Payments
SWIFT is more suitable for high-value business payments due to its global reach and compliance with international regulations. UPI is limited in this context. Lightspark, with its instant settlement and low fees, provides a compelling alternative for high-value transactions, ensuring efficiency and cost savings.
Peer-to-Peer Transfers
UPI excels in peer-to-peer transfers within India, offering instant and free transactions. SWIFT is not designed for such small, frequent transfers. Lightspark enhances this use case by enabling instant, low-cost peer-to-peer transfers globally, leveraging the Lightning Network for speed and reliability.
Cross-Border E-commerce Payments
SWIFT is traditionally used for cross-border e-commerce payments but can be slow and costly. UPI's international capabilities are still developing. Lightspark offers a significant advantage with its real-time, low-cost cross-border payments, making it ideal for global e-commerce transactions.
Time for a New Standard

Lightspark offers a global payments infrastructure built on Bitcoin’s decentralized foundation, enabling real-time, secure, and low-cost transactions across borders. Unlike UPI and SWIFT, Lightspark provides instant settlement and lower fees, making it a superior choice for global money movement.
- Built on Bitcoin: Lightspark’s infrastructure leverages Bitcoin’s open, decentralized foundation, ensuring robust security and reliability.
- Instant Settlement: The platform enables real-time, global money movement, allowing for immediate transaction settlement.
- Lower fees: Lightspark facilitates payments at a fraction of the cost of traditional systems, with no hidden fees.
- Cross-border security by default: The use of Bitcoin and the Lightning Network ensures strong security for cross-border transactions.
A Modern Infrastructure
For businesses looking to transition from traditional payment systems like UPI and SWIFT, here’s what Lightspark has to offer:
- Wallets: Lightspark's Wallets solution enables businesses and developers to build feature-rich digital wallets with flexible custody options at scale.
- Digital Banks: Lightspark offers a comprehensive solution for digital banks to connect to the 'Money Grid,' facilitating rapid market expansion and real-time, 24/7 payments.
- Exchanges: Lightspark provides the easiest way for exchanges to connect to the Bitcoin Network, enabling instant Bitcoin movement and reducing transaction costs.
- Stablecoins: Through Spark, Lightspark enables the creation, distribution, and monetization of stablecoins natively on the Bitcoin network, offering fast and cost-effective payment solutions.
Emerging technologies and evolving regulations are reshaping the future of payments. Lightspark offers real-time, low-cost global payments, bridging traditional finance with next-gen solutions. Don’t just choose between two outdated options—upgrade to a payment rail built for the internet age. Learn more or book a demo.