Digital wallets have become a normal part of how Australians pay. Contactless payment adoption in Australia is among the highest in the world, with a growing share of tap payments in the country now coming from phones and wearables rather than physical cards. In 2024, 4 billion digital wallet payments were made in Australia, totalling $160 billion Australian dollars (AUD).

Below, we’ll discuss how digital wallets work in Australia, which digital wallet security features protect transactions, and what businesses accepting wallet payments need to know about fraud and liability.

What’s in this article?

• What is a digital wallet?
  
• How does a digital wallet work in Australia?
  
• Which digital wallet security features protect transactions in Australia?
  
• What are common digital wallet security concerns in Australia?
  
• How do digital wallet payments protect businesses in Australia?
  
• What should Australian businesses know before accepting digital wallet payments?
  
• How Stripe Payments can help
  

What is a digital wallet?

A digital wallet is software that holds payment information and lets a person pay without presenting a physical card. In Australia, the most widely used options are Google Pay and Samsung Pay on Android devices, and Apple Pay on iPhones and Apple Watches.

How does a digital wallet work in Australia?

The tap payment process looks instant from the outside, but several steps happen when a customer uses their phone to make a purchase.

Here’s how a digital wallet transaction works:

• Card provisioning: When a card is added to a wallet app, the wallet provider contacts the card issuer, which verifies the customer’s identity and—if approved—generates a device-specific token called a Device Primary Account Number (DPAN).

• Authentication: Before any payment can go through, the customer authenticates on the device, with their face, fingerprint or personal identification number (PIN). This happens locally; the wallet provider never receives the biometric data.

• Payment initiation: When the device is held up to a terminal that is enabled with near-field communication (NFC), the wallet transmits the DPAN along with a one-time cryptographic token, a transaction-specific code.

• Network processing: The terminal sends the token to the acquiring bank, which passes it to the card network (e.g., Visa, Mastercard, Electronic Funds Transfer at Point of Sale or eftpos). The network routes it to the issuing bank, which validates the cryptogram and approves or declines accordingly.

• Settlement: Settlement works the same way it does for a standard card transaction. The token maps back to the actual card account at the issuer’s end, and funds move through the normal clearing process.

Which digital wallet security features protect transactions in Australia?

Several security layers are operating simultaneously during a digital wallet transaction. Together, they make a tokenized wallet payment meaningfully harder to compromise than a standard card transaction.

Here are the features that add a layer of protection to digital wallet transactions:

• Tokenization: Because the DPAN is specific to a device and the cryptogram is specific to the transaction, intercepting the data mid-transmission won’t give an attacker anything they can reuse.

• Device authentication: A Face ID, Touch ID, fingerprint, or PIN means the device is more difficult to use without the owner. This happens before the payment signal is sent.

• Secure hardware: A tamper-resistant chip is built into modern smartphones. This stores the DPAN and handles cryptogram generation in an environment isolated from the phone’s operating system.

• NFC range limitation: NFC operates within a few centimeters, which makes passive interception difficult in practice.

• Issuer and network-level fraud monitoring: Australian banks and card networks monitor transactions in near real time (NRT) and can decline or flag anomalies regardless of what happened at the device level.

What are common digital wallet security concerns in Australia?

The vulnerabilities that exist around digital wallets stem from the surrounding processes as well as human behavior.

Here are the biggest security concerns to know about.

Account provisioning fraud

When a criminal obtains someone’s card details through a data breach, phishing, or social engineering, and provisions that card onto their own device, the token that gets generated is legitimate from the network’s perspective. Australian banks have strengthened identity verification during provisioning in response, but this remains an active area of concern.

Lost or stolen devices

If a phone isn’t locked or someone coerces the owner into authenticating, the wallet will be accessible. But wallet providers typically let the owner remotely disable payments, and the tokenized structure means the customer’s actual card number stays unexposed even if someone transacts fraudulently with the device.

Phishing that targets provisioning

Customers can be targeted with fake bank communications designed to capture the one-time codes used during card provisioning. Generally, the wallet itself isn’t compromised in this scenario. The attack is social engineering, which tries to intercept the verification step.

Malicious apps

Sideloaded or outdated apps can create vulnerabilities. The secure element architecture limits the damage an app can do, but it’s not a complete defense if a user has fundamentally compromised their device. Users must keep operating systems up-to-date.

How do digital wallet payments protect businesses in Australia?

The security architecture of digital wallets changes a business’s exposure to fraud and disputes in concrete ways.

Here’s how digital wallet payments protect Australian businesses.

Liability shift

Under standard card network rules, when fraud occurs during a tokenized digital wallet transaction, liability typically sits with the card issuer rather than the business because the issuer validates the token during provisioning. In card-not-present (CNP) transactions, the business often holds the liability.

Chargeback defensibility

Digital wallet transactions carry strong authentication signals (e.g., device authentication, cryptographic tokens, issuer validation), which makes it harder for a cardholder to successfully dispute a transaction they actually authorized. That doesn’t eliminate chargebacks, but it changes the evidentiary landscape when a business contests one.

No card data at the terminal

At in-person checkout, the terminal receives a token rather than a primary account number (PAN). Raw card data doesn’t pass through the hardware, and there’s no physical card at risk of being skimmed. Exposure to the kind of point-of-sale (POS) compromise that has affected large retailers is substantially reduced.

Smaller attack surface online

Digital wallets mean the customer doesn’t have to type their card number into the checkout form for businesses taking payments online. The wallet passes a tokenized credential directly to the payments provider. That’s less data in transit, fewer places for something to go wrong, and a cleaner liability position if something does.

What should Australian businesses know before accepting digital wallet payments?

A few things are worth considering before your business goes live with digital wallet payments. Getting these correct upfront saves you from reconciliation problems and customer support issues.

• Terminal compatibility: In-person acceptance requires NFC-capable terminals. Modern terminals sold or leased in Australia support contactless payments, but confirm that your hardware is configured to accept tokenized wallet payments specifically.

• Online checkout integration: Digital wallet acceptance online requires your payments provider to support wallet application programming interfaces (APIs). The implementation varies; some providers, such as Stripe, offer a drop-in checkout that handles it automatically.

• Reconciliation: Because transactions come through as tokens rather than card numbers, your reconciliation process could need adjustment if you’re matching transactions against stored card data.

• Refund and dispute handling: Refunds to digital wallets return to the customer’s linked card. But the token-level mechanics can create confusion if your payment provider doesn’t handle the mapping cleanly.

How Stripe Payments can help

Stripe Payments provides a unified, global payments solution that helps any business accept digital wallet payments online, in person, and around the world.

Stripe Payments can help you:

• Optimise your checkout experience: Create a frictionless customer experience and save thousands of engineering hours with prebuilt payment UIs, access to 100+ payment methods, including more than a dozen digital wallet payment methods, and Link, a wallet built by Stripe.

• Expand to new markets faster: Reach customers worldwide and reduce the complexity and cost of multicurrency management with cross-border payment options, available in 195 countries across 135+ currencies.

• Unify payments in person and online: Easily track and reconcile digital wallet payments across online and in-person channels.

• Improve payments performance: Increase revenue with a range of customizable, easy-to-configure payment tools, including no-code fraud protection and advanced capabilities to improve authorization rates.

• Move faster with a flexible, reliable platform for growth: Build on a platform designed to scale with you, with 99.999% historical uptime and industry-leading reliability.

Learn more about how Stripe Payments can power your online and in-person payments, or get started today.