Technology is constantly evolving, and our lives are becoming more diverse. Not long ago, Apple introduced Face ID for facial recognition payments, which sparked a lot of online discussions. Now, it seems that payment methods are getting even more advanced—people can now pay just by using their finger veins. Sounds strange, doesn’t it?
Finger vein technology is considered one of the most secure biometric identification methods. Unlike traditional fingerprint scanning, vein recognition requires a living body with flowing blood, making it impossible to copy or steal the data. This makes it far more secure than other biometric systems.
Today, more and more people don’t carry wallets anymore because a smartphone can handle all their payment needs. From password-based payments to QR code scanning, and even fingerprint and face recognition, each new innovation brings us closer to a cashless future. Apple’s recent Face ID feature has made facial recognition payments a hot topic once again.
But have you ever wondered what happens if you don’t have your wallet or phone? Well, in the UK, a supermarket has taken things a step further by introducing finger vein payment. It’s the first supermarket in the world to offer this kind of payment method.
According to a report by CCTV News on September 20, a store at Brunel University in London recently started offering finger vein identification for payments. After setting up your finger, you can simply place it on a scanner to complete the transaction. This is the first time such a system has been implemented in a supermarket globally.
According to The Telegraph, the technology used by the British company Staller allows users to link their finger vein data to their bank cards. Once set up, they can make payments at any location that supports the system. Currently, dozens of students are using this system, and the company expects the number to reach 3,000 by November.
In terms of security, Staller claims that finger vein recognition is the safest form of biometric authentication. Unlike fingerprints, vein patterns require a live body with blood flow, making them hard to replicate. Plus, the system isn’t affected by wet or dirty fingers, or even damaged skin.
Staller also plans to expand the use of this technology to nightclubs, stadiums, and other public venues. They believe it’s more convenient for consumers, as it eliminates the need to carry cash, credit cards, or remember passwords. All you need is your finger.
The process of vein identification takes only 1-2 seconds. How does it work? According to Sun Zhenan, a researcher at the Chinese Academy of Sciences’ Institute of Automation and secretary of the Pattern Recognition Committee of the China Association of Artificial Intelligence, vein recognition uses near-infrared light. When this light shines on the hand, the hemoglobin in the subcutaneous veins absorbs it more than other tissues, creating a clear black-and-white image of the vein structure.
Leifeng.com reports that the system captures images of the fingers, palms, and back of the hand using an infrared CCD camera. It then extracts unique features from the vein map and stores them in a computer system. During the verification process, the system captures a real-time image, processes it, and compares the features with those stored in the database to confirm identity.
Compared to traditional fingerprint scanning, vein recognition is not affected by wet or dirty fingers. Also, there's no direct contact with the device, making it more hygienic and efficient. The entire process is quick, taking just one or two seconds.
Currently, vein recognition is mainly used on fingers, palms, and the back of the hands. As Sun Zhenan explained, this is because near-infrared light can easily penetrate the skin to capture the vein structure. Other parts of the body have less dense veins, making imaging more difficult.
Despite its high security, ease of use, speed, and accuracy, vein recognition is still not widely adopted in the market. Some challenges remain, such as the possibility of changes in vein patterns over time, difficulties in registration, and the challenge of miniaturizing the devices. Additionally, the equipment required is complex and expensive to produce.
Nevertheless, as technology continues to advance, we may soon see more everyday applications of this innovative and secure payment method.
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