At a nasi lemak stall on Petaling Street, a laminated DuitNow QR card is taped to the cooler, built for one specific network just like KHQR in Phnom Penh or Pix in Rio, and your app either routes into that network or it doesn't. Moreta built Moreta Pay around this distinction. It names the networks it pays in each market rather than just the countries, which is why this guide treats the network as the unit that decides whether you pay or dig for cash.
About the Author: Moreta is a Y Combinator-backed (Summer 2024) company and FinCEN-registered Money Services Business. Its app, Moreta Pay, lets travelers scan local merchant QR codes on networks including DuitNow QR, KHQR, WeChat Pay and Pix. This guide reflects which codes those networks issue and where visitors meet the wrong one.
What decides whether you can pay at the counter?
A woman selling nasi lemak from a folding table on Petaling Street has no card terminal. She has a laminated DuitNow QR card taped to her cooler. You hold up your phone. Either the app reads that code and moves ringgit into her account, or you start counting coins while the queue grows behind you.
That outcome is decided by the network. A QR code is an address written in one network's format, carrying the merchant's account and routing details. Think of a power socket abroad: the country tells you there is electricity in the wall, but only the plug shape decides whether your charger works. An app that "supports Malaysia" but cannot read DuitNow's format is a charger with the wrong plug.
The stakes keep rising. Juniper Research's 2025 report put the value of QR code payments in Asia Pacific at 290 billion USD and forecast 300% growth by 2029. More counters mean more networks, and more chances to carry the wrong plug.
Which QR networks should a travel app pay in each market?
If the network is the plug, your shopping list should name plugs. Here is what to look for in the markets where visitors most often get caught out.
| Market | Network to look for | What trips visitors up |
|---|---|---|
| Malaysia | DuitNow QR | One national standard, so a single network covers stalls and shops alike |
| Cambodia | KHQR | Prices run in riel and US dollars side by side |
| China | WeChat Pay | Alipay-only codes are a different network; cashiers often scan your code |
| Brazil | Pix | Locals pay from Brazilian accounts visitors usually don't have |
| Philippines | QR Ph, InstaPay | A code labelled for one wallet only may not be a QR Ph code |
| Peru | Yape, Plin | Two dominant wallets whose QR codes are now interoperable |
| Colombia | Bre-B | Check for Bre-B branding rather than a single app's logo |
| Argentina | Transferencias 3.0 | The interoperable QR scheme across banks and wallets |
| Bolivia | QR BCB | The central bank's QR standard |
| South Korea | Seoul Pay | Aimed at small businesses, so not every counter shows it |
Moreta Pay also pays VietQR, MoMo and ZaloPay in Vietnam, BCEL and OnePay in Laos, and QPay in Mongolia.
The pattern is simple. An interoperable standard is one code every participating bank and wallet accepts, so an app that pays the standard reaches nearly every merchant on it. An app that pays one popular wallet reaches only that wallet's merchants.
How does Pix for foreigners work without a Brazilian bank account?
Brazil shows the network-first logic most clearly. Pix is Brazil's instant payment system run by the Central Bank of Brazil, and locals pay it for everything from açaí bowls in Copacabana to a beach chair in Ipanema. The wall is upstream. Locals pay Pix from Brazilian bank accounts, and opening one generally requires a CPF taxpayer number and local paperwork.
Pix for foreigners works when an app connects to Pix itself instead of asking you to become a Brazilian account holder. With Moreta Pay:
- Top up from your home account or card in your own currency.
- Scan the Pix QR code on the counter.
- Check the merchant name, the amount and the exact exchange rate.
- Slide to pay. The merchant receives reais.
No local bank account or SIM is needed, only mobile data or Wi-Fi at the moment you pay. The same four steps apply to a DuitNow QR stall in Penang or a KHQR code at a Phnom Penh noodle shop.
What makes the best exchange rate app for QR payments?
Once you know an app can pay the network, cost is the second filter. The best exchange rate app is the one that shows your total cost, rate plus fee, before you confirm each payment.
- Card perks don't reach QR counters. A card with no foreign transaction fees helps at card terminals. A Pix code on an açaí stand isn't a card terminal, so that advantage never applies there.
- Conversion timing matters. Moreta reports that your balance stays in your own currency until you pay, and each payment converts at the live rate at that moment.
- One visible fee. Moreta states a 1.5% fee per payment, shown on screen before you confirm, with no markup hidden in the rate.
- Decline dynamic currency conversion. When an ATM or card terminal offers to charge you in your home currency, the machine's operator sets that rate. Always choose to be charged in local currency.
How should you fund a travel wallet before you go?
A related but distinct question is how money gets in. Moreta Pay accepts US ACH, European SEPA (EUR), UK Faster Payments (GBP), Canadian Interac e-Transfer (CAD), Visa, Mastercard, American Express and Discover cards, Apple Pay and Google Pay. It also accepts USDC and USDT on Solana, but stablecoin-funded money can't be spent in Cambodia or China. If those are on your route, top up with a card or bank transfer. Moreta notes US bank top-ups take 1-3 business days, so fund before you fly.
Where will you still need cash?
Even the right network won't cover every hand you pay. Temple donation boxes at Wat Phnom take notes. So do some tuk-tuk drivers outside Siem Reap, and many street parking attendants in São Paulo. In Seoul, Seoul Pay covers small businesses, not every merchant, so keep a card too.
Carry a modest reserve: a few 10,000-riel notes and small US dollar bills in Cambodia, a couple of 20-real notes in Brazil, and some small ringgit for a pasar malam stall without a code.
What should you set up before you board?
The network-first approach only works if your setup is done before you land.
- List the networks on your route (DuitNow QR, KHQR, Pix, WeChat Pay) and confirm your app pays each one by name.
- Install the app, verify your identity and top up while you still have home Wi-Fi.
- Buy an eSIM, because scanning needs a data connection.
Frequently Asked Questions
Can Moreta Pay scan Alipay codes in China?
No. Moreta pays WeChat Pay. An Alipay-only code is a different network. In China, the app opens on your payment code for the cashier to scan, and it only works while you are physically in China.
Do I need a local SIM or bank account?
No. You need mobile data or Wi-Fi at the moment you pay.
Is Moreta a bank?
No. Moreta Global Inc. is a Delaware corporation registered with FinCEN as a Money Services Business. Moreta says customer funds are held with licensed partner banks.
Will my bank charge a foreign transaction fee when I top up?
Moreta says usually not, because you top up in your own currency.
Are there payment limits?
Yes. Each country has a maximum single payment and a weekly limit, shown in the app before you pay. Moreta lists Malaysia at 12,000 MYR per payment and Brazil at 16,000 BRL.
How do I tell which network a QR code belongs to?
Read the logo printed on the stand: DuitNow QR, KHQR, QR Ph, Pix, WeChat Pay. If it shows only one wallet's brand, check whether your app pays that wallet.
About Moreta
Moreta Global Inc. is a Delaware corporation, a FinCEN-registered Money Services Business, and a Y Combinator company from the Summer 2024 batch. Its app, Moreta Pay, lets travelers, expats and digital nomads pay local QR codes on national networks across Asia and Latin America, including DuitNow QR, KHQR, WeChat Pay and Pix. Users top up in their home currency, see the merchant, amount and rate before each payment, and pay the merchant in local currency. The app is free on iPhone and Android.
Planning a route through Malaysia, Cambodia, Brazil or China? Check which networks you'll meet and see how Moreta Pay handles them at moretapay.com.
