Unit 4.5
E-commerce Payment Systems
Learning Objectives
By the end of this chapter, you will be able to:
- ✅ Identify and describe the primary types of e-commerce payment systems.
- ✅ Compare the advantages and disadvantages of different payment methods for both consumers and merchants.
- ✅ Analyze the unique characteristics and trends of the e-commerce payment landscape in Nepal.
- ✅ Understand the challenges and opportunities for digital payment growth.
The Core of E-commerce Transactions
Definition: An e-commerce payment system is a technology or service that facilitates the acceptance of electronic payments for online transactions.
It's the digital equivalent of a cash register, acting as the crucial link between a customer's funds and a merchant's account.
- ⚡ Enables seamless, automated transactions
- 🔒 Manages security and fraud prevention
- 📊 Provides transaction data and reporting
Activity: Sequence the Payment Flow
Settlement timing varies by provider and contract; approval is not settlement.
Drag the steps into the correct order to show how an online payment is processed.
🎬 Watch: Merchant → Acquirer → Network → Issuer
Authorisation Response ≠ Authentication
The previous narrator calls the return leg “authentication”. It is the authorisation response returning from issuer through network and acquirer to merchant.
Authentication assesses who the cardholder is; authorisation decides whether to approve payment. Approval is not settlement.
Who Approves, Who Settles?
- Issuer: the customer's card-issuing institution; decides whether to authorise the card payment.
- Acquirer: the institution serving the merchant for card acceptance. A gateway carries payment messages; it is not necessarily the acquirer.
- Card network: routes messages between the acquiring and issuing sides.
- Authorisation ≠ settlement: a payment can be approved before the merchant receives the money. Capture, clearing and settlement follow the relevant scheme/provider flow.
A browser success page alone is not proof of payment. Verify the provider's server-side payment status before fulfilment.
Traditional Methods: Card Payments
💳 Credit Cards
- The most popular and widely accepted form of online payment globally.
- Based on a line of credit issued by a bank.
- Pro: Easy to use, offers consumer protection.
- Con: High transaction fees for merchants, risk of fraud.
🏦 Debit Cards
- Directly linked to a customer's bank account.
- Funds are deducted immediately upon purchase.
- Pro: Helps consumers avoid debt.
- Con: May have lower acceptance rates and fewer fraud protections than credit cards.
Activity: Credit or Debit?
Protections, fees and posting times depend on product, jurisdiction and contract.
Click Credit or Debit for each statement. Get all 6 correct!
Authentication Is Not Payment Approval
- Visa Secure / EMV 3DS: authentication helps an issuer assess whether the shopper is the legitimate cardholder; some payments are frictionless, others challenged.
- Authorisation: the issuer can still decline because of available funds, restrictions or risk, even after authentication.
- Global parallel: Stripe models payment progress through changing states and supports additional authentication when required.
- Do not overclaim: successful authentication does not remove every dispute reason or guarantee settlement.
Poll: “OTP passed, so ship immediately?” No—confirm the final provider-side payment status first.
🎬 Watch: Frictionless or Challenge?
The Rise of Digital Wallets
Definition: A secure online account that stores a user's payment information (card details, bank accounts) for quick and easy online checkouts.
They act as an intermediary, adding a layer of security and convenience.
PayPal
Apple Pay
Google Pay
Activity: Digital Wallet Feature Match
App, stored value and payment rail are different layers. Services overlap; examples are not exclusive endorsements.
Match each feature description to the digital wallet it best describes. Click a wallet name for each row.
| Feature | Which wallet? |
|---|
App, Wallet or Payment Rail?
A familiar app icon does not tell us where the money is held.
- Stored-value wallet: a customer may load a balance and spend through the wallet's supported services.
- Card wallet: an app can present a tokenised card without keeping a prepaid balance for that purchase.
- India's UPI: an instant-payment system enabling participating apps to initiate bank-account payments; the app and the underlying rail are different layers.
- Nepal comparison: ask which bank, wallet and QR network participate. Do not assume every QR code or app works with every other one.
Question: Is a QR code itself a wallet? Answer: No—it's a way to convey payment information; the funding source and rail still matter.
Payment Rail vs Wallet
Mobile Payments: Commerce on the Go
A subset of online payments made using a mobile device, often leveraging NFC technology for in-person transactions or in-app payments.
Key Insight: Digital Wallets and Mobile Payments are often intertwined. Systems like Apple Pay and Google Pay are digital wallets that facilitate mobile payments.
- 🎯 Convenience: Pay with a tap or a glance.
- 🔐 Security: Often use biometrics (fingerprint, face ID) and tokenization.
- 📈 Growing Trend: Driven by high smartphone penetration.
Activity: Mobile & Online Banking Security (1/2)
NFC is not synonymous with tokenisation. TLS is not automatically defeated by public Wi-Fi; biometric factor and domestic transfer rails depend on implementation.
Select True or False for each statement about mobile and online banking payment security.
Activity: Mobile & Online Banking Security (2/2)
NFC is not synonymous with tokenisation. TLS is not automatically defeated by public Wi-Fi; biometric factor and domestic transfer rails depend on implementation.
Select True or False for each statement about mobile and online banking payment security.
Emerging Frontiers: Cryptocurrencies
Digital or virtual tokens that use cryptography for security. They operate on a decentralized network (blockchain).
Potential Advantages
- Lower transaction fees
- Decentralized control
- No chargebacks
Current Challenges
- High price volatility
- Scalability issues
- Regulatory uncertainty
🔍 Local Context: The use of cryptocurrencies for payments is currently not legal in Nepal.
Practical Application: The Payment Landscape in Nepal
The Nepalese e-commerce market shows a strong preference for traditional methods while digital options gain momentum.
Primary Payment Methods in Nepal
- Cash on Delivery (COD): Still the dominant method, driven by trust issues and limited card access.
- Digital Wallets: Rapidly growing in popularity. Key players include eSewa, Khalti, and IME Pay.
- Mobile Banking: Most major banks offer apps that facilitate online payments.
- Card Payments: Usage is relatively low but increasing as financial infrastructure improves.
Activity: Nepal Payment Scenarios (1/3)
Brand answers are illustrative, not exclusive. Services overlap; Rs 80,000 does not establish a universal limit or transfer route. Check current provider rules.
For each scenario, choose the most appropriate payment method commonly used in Nepal. Select one, then click Check.
Activity: Nepal Payment Scenarios (2/3)
Brand answers are illustrative, not exclusive. Services overlap; Rs 80,000 does not establish a universal limit or transfer route. Check current provider rules.
For each scenario, choose the most appropriate payment method commonly used in Nepal. Select one, then click Check.
Activity: Nepal Payment Scenarios (3/3)
Brand answers are illustrative, not exclusive. Services overlap; Rs 80,000 does not establish a universal limit or transfer route. Check current provider rules.
For each scenario, choose the most appropriate payment method commonly used in Nepal. Select one, then click Check.
Case Study: COD vs. Digital Wallets in Nepal
Why COD Persists
Cash on Delivery is popular due to:
- Trust Deficit: Consumers prefer to inspect goods before paying.
- Accessibility: Overcomes the lack of access to credit/debit cards, especially in rural areas.
- Habit: A long-standing cultural preference for cash transactions.
The Rise of Digital Wallets
Digital wallets are gaining ground by:
- Utility: Offering more than just e-commerce payments (e.g., utility bills, mobile recharges).
- Incentives: Providing cashback, discounts, and loyalty points.
- Convenience: Simplifying the checkout process for a growing, tech-savvy youth population.
Worked Example: The Cost of Getting Paid
Illustrative assumptions, not provider tariffs: 100 orders at Rs 2,000; contribution Rs 500 per completed sale before payment/logistics costs.
| Assumption | COD | Prepaid |
|---|---|---|
| Completed sales | 90 | 100 |
| Outbound delivery: Rs 100 × 100 | Rs 10,000 | Rs 10,000 |
| Return delivery / payment fee | 10 × Rs 100 | 2% × Rs 200,000 |
| Contribution after these costs | 45,000 − 10,000 − 1,000 = Rs 34,000 | 50,000 − 10,000 − 4,000 = Rs 36,000 |
The prepaid completion assumption is deliberately optimistic. Recalculate if both methods complete 90 orders. At equal completion rates, which costs dominate?
This is contribution, not net profit. Stock damage, refunds, overhead, cash collection and settlement delays are excluded.
Refund, Chargeback or Failed Payment?
Pair task: classify these three customer messages before revealing answers.
- “I returned the item and the seller agreed to give my money back.” Refund: merchant-initiated repayment under the refund process.
- “I don't recognise this card charge; I contacted my issuer.” Dispute/chargeback: issuer and card-network process; evidence and deadlines matter.
- “My app timed out after I pressed Pay.” Unknown outcome: verify status before retrying or shipping; a timeout need not mean failure.
Keep order, payment, delivery and refund references linked. A card-network chargeback is not a universal feature of every wallet or bank transfer.
Nepal: Challenges & Opportunities
Challenges 🚧
- Lack of widespread awareness and digital literacy.
- Persistent lack of trust in online security.
- Need for a stronger legal and regulatory framework.
- Inconsistent internet infrastructure.
Opportunities 🚀
- Large, young, and increasingly tech-savvy population.
- Supportive government initiatives for digital payments.
- Growing number of businesses adopting online payment gateways.
- Increasing smartphone and internet penetration.
Choose a Checkout, Defend the Trade-off
Groups get two minutes: a rural clothing seller, a repeat urban grocery service, or a hotel serving international guests. Choose two payment options, not just one.
- Compare access, trust, total cost, settlement delay, refund support and fraud exposure.
- Write a safe message for “payment pending” and explain when staff may fulfil the order.
- Possible answer: COD plus an available digital method may widen access for the clothing seller; a grocery service values repeat checkout; the hotel should verify foreign-card acceptance with its acquiring provider.
- No universal winner: provider availability, customer preference and the merchant's contract decide the practical choice.
Measure completion, failed payments, refund time and contribution—not just the number of payment logos.
Key Takeaways
- 🎯 A diverse range of payment systems exists, from traditional cards to modern digital wallets, each with unique trade-offs.
- 🎯 The "best" payment system depends on the context: user convenience, merchant cost, security, and regional preferences.
- 🎯 In Nepal, the payment landscape is in transition, with traditional Cash on Delivery coexisting with the rapid growth of digital wallets like eSewa and Khalti.
- 🎯 Overcoming challenges in trust and infrastructure is key to unlocking the full potential of digital payments in emerging markets.
Exam Practice 📝
Short answer
- What is a payment gateway?
- Distinguish between the acquiring bank and the issuing bank.
- What is a digital wallet? Name two used in Nepal.
Long answer
- Explain how an online credit card transaction works, naming all the parties involved.
- Compare the major e-commerce payment methods used in Nepal, including their advantages and risks.
Revise the answers in the full note.
Sources & Media Credits
- Rail-vs-wallet diagram: made for IT204, CC BY 4.0.
- Videos: KINGCADEMY; Rebilly.
- Clip 1: source
- Clip 2: source
- Existing course illustrations/logos: retained; creator/licence metadata not supplied (provenance review pending). Sources: E-commerce Payment Ecosystem; PayPal Logo; Apple Pay Logo; Google Pay Logo; Digital Wallet Experience; NFC Mobile Payment; Cryptocurrency in E-commerce; Payment Landscape in Nepal.
- Stripe: payment lifecycle
- Stripe: disputes
- Stripe: 3DS
Thank You
Next Topic: Unit 5.1 - E-commerce Marketing & Advertising