Early Adoption of Voice Payments and Wearable Device Payments

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Early Adoption of Voice Payments and Wearable Device Payments: prototypes for the next generation of sensorless payments

Under the sweeping wave of digitisation, international payment gateways are evolving as the financial bloodline connecting global commerce and consumers. Traditional card-based payments and mobile code-sweeping are gradually failing to meet people's demand for ultimate convenience and security. It is against this backdrop that "voice payments" and "wearable device payments" have emerged as cutting-edge payment technologies that represent the future direction of sensorless, biometric payments. In this paper, we will discuss the early practical application scenarios, technical challenges and future development potential of these two innovative payment methods.

I. What is Voice Payment? Its core principle and application prototype

Voice payment, as the name suggests, is a new type of payment method that verifies the user's identity and completes the authorisation through voiceprint recognition technology. Its core principle lies in the use of each person's unique acoustic characteristics - voiceprint - as a kind of biological password.

1. Core technology: the advantages of voiceprint recognition
Compared to traditional passwords or PIN codes, voiceprints are highly unique and cannot be easily copied. It eliminates the need for users to memorise complex passwords and avoids the risk of skimming due to lost devices (as thieves cannot imitate the user's voiceprint). In the processing flow of the international payment gateway, the system will convert the user's voice command into an encrypted data packet, which will be transmitted to the back-end through a secure channel for real-time comparison and authorisation, and finally complete the transaction clearing.

2. Early application scenario exploration
In the early stages, the "voice assistant + smart home ecosystem" is a natural testing ground for voice payments.

• In-car scenarios: The driver sends the command "XX Assistant (e.g. Siri, Google Assistant, Alexa), fill up my car with fuel and pay for it" while driving, and the system prepays for the fuel through the tied account.
• Smart Home Shopping: Users who are busy in the kitchen and find that there is a lack of ingredients can directly say to the smart speaker: "Order a dozen eggs from XX Fresh", and the payment will be deducted from the associated account after confirmation.
• Bank Customer Service Hotline: Some of the leading banks have already tried to introduce voiceprint login as an alternative to the cumbersome issue of identity verification in their tele-banking systems.

Although promising, challenges exist. Ambient noise interference, recording spoofing attacks, and public concerns about privacy breaches are thresholds that must be crossed in its early rollout.

II. The rise of wearable device payments: wearing your wallet on your body

If mobile phones put money in your pocket, then "wearable devices" (Wearable Devices), represented by smartwatches and bracelets, put your wallet directly on your wrist to realise a true on-the-go wearable financial experience.

1. The maturity of NFC technology is a key driver
The underlying technology of the majority of wearable devices that support contactless POS card swiping is Near Field Communication NFC, which is the same principle as mobile wallets on smartphones such as Apple PayGoogle Pay. By embedding a secure chip SE in the device to store encrypted virtual card information when close to the POS machine through the radio frequency signals to complete the data transmission by the international acquirer and card issuer. verification by international acquirers and card issuers

2. The value of "hands free" applications is highlighted
The great advantage of this approach is its extreme convenience especially for specific high-frequency micro-consumption scenarios.

• Public transport commuting: during peak commuting hours, passengers only need to lift their wrists and touch the gate to quickly pass through the gate, which greatly improves the efficiency of passage.
• Fitness Consumption: Runners buying drinks at a convenience store or paying for a class at the gym front desk can easily complete the transaction without carrying a mobile phone and wallet.
• Large events and tourist areas: music festivals, theme parks and other places with high traffic wearing a smart bracelet can be used as a ticket as well as for all consumption points in the park to achieve a seamless one-card experience.

In terms of security, the risk of losing the device is much lower than losing a physical bank card, as a one-time dynamic token is used for each transaction and needs to be unlocked in conjunction with the device.

Future prospects in the triple convergence trend Synergistic evolution of two technologies

Individually, each has its own merits, but the real potential for the future lies in their deep integration to create a more natural and secure interaction paradigm Imagine a scenario in which you walk into a coffee shop and speak into your smartwatch to order a latte. The system first confirms the legitimacy of your identity by using your unique voiceprint and then automatically calls the watch's built-in security element to instantly complete the debit by communicating with the in-store POS via NFC. The whole process of debit without having to take out any items to achieve the double biometrics behavioural recognition of the superposition of the security level far beyond the single authentication method for cross-border consumers integrated multi-currency wallet wearable devices and voice assistant with multi-language recognition capabilities will become the most intimate international financial butler completely eliminate currency exchange and language barriers to the inconvenience, of course, this requires a global scope of the international issuer of the acquirer. Of course, this requires deeper cooperation between international issuers, acquirers, terminal manufacturers and technical standards organisations to ensure seamless compatibility and security across platforms and geographies.

In conclusion, whether it is still in the embryonic stage of the voice or has begun to take shape wearable support they all mark the support industry is moving towards a more invisible embedded humane direction Although they are still facing technical bottlenecks in the early application of the market education and regulations to improve a number of challenges, but the party they represent is undoubtedly the key cornerstone of the construction of the next generation of intelligent living ecosystems, as a connection to the world's national payment gateway experts we continue to pay attention to these! Technological innovation and actively embrace change to provide users with