This article comes from: Wei Feng network Apple has opened up a lot of features to third-party developers in this iOS 11 update, including a framework called Core NFC. This means that Apple allows third-party applications to read the NDEF (Data Exchange Format) of NFC tags to enable communication between NFC devices. This extends the iPhone's NFC chip to more scenarios. iPhone and NFC Strictly speaking, in 2014 Apple added NFC hardware to the iPhone 6 and iPhone 6 Plus to support the Apple Pay mobile payment system. However, Apple did not open the SDK for third-party applications to iPhone's NFC controller. Until iPhone 7 and iPhone 7 Plus began to support reading NFC NDEF tags. Only NFC-enabled NDEF (Data Interchange Format) tags can read NFC devices. Therefore, even if Apple provides Core NFC to third-party App developers in iOS 11, only iPhone 7 and iPhone 7 Plus can be NFC-extended on third-party apps in devices upgraded to iOS 11. Older iPhones Still can only brush Apple Pay. NFC has so many areas of application. Why does Apple not open the iPhone's NFC NDEF tag? The main reason is still for safety. Apple knows that if Apple Pay wants to change consumers' payment habits, it must first gain the trust of consumers. Just as Apple limited the fingerprint sensor, Apple limited access to the NFC controller and reduced iPhone contact with other NFC devices, allowing consumers to easily and confidently enjoy the convenience of Apple Pay. From Apple's perspective, Apple Pay's security issues are far more important than the benefits of open NFC. Apple Pay has entered the market for three years and has not disclosed any security issues so far. Last summer, some Australian bank views forced Apple to open access to NFC controllers in order to establish its own mobile payment system. In order to reduce security risks and protect consumers of Apple Pay, Apple rejected this request. As Apple Pay continues to expand in countries around the world, Apple has begun to consider making iPhone NFC even more useful while ensuring Apple Pay’s security. The iPhone's NFC system is made up of several components, one of which is an NFC controller for communicating with other NFC devices and the other is a security element, similar to a bank's vault. When using the payment function, the external device must access both the NFC controller and the secure element. However, if the reading and writing functions of the NFC NDEF tag are limited, only the NFC controller needs to be accessed and no access to the secure element is required. This is a key difference, because Apple will never open access to secure components for third-party apps. It is worth mentioning that when adding a credit or debit card, the actual card number is neither stored on the device nor stored in? Apple? On the server. Will the system assign a unique one? Device Account Number? Device account, encrypt the account, and store it on the device in a secure way? Secure Element ? Security chip. Each transaction uses a one-time unique dynamic security code for authorization. How NFC can be applied to the iPhone NFC can be used on product security labels. For example, expensive anti-counterfeiting products such as wine. Wuliangye announced the introduction of NFC anti-counterfeiting labels a few months ago, using "one-core dual-frequency" technology, which allows consumers to scan NFCA tags to identify authenticity, but also allows logistics and warehousing personnel to read commodity data from a distance to facilitate management. in stock. The NFC scanning product tag also gives you more detailed product information, such as the product's composition, historical prices, and more. When visiting the museum, you can also scan in one click for more information on the exhibits. NFC can be used to find cars in the parking lot. We can attach an NFC chip to a car or a bicycle. After parking the car, we can use a special app to scan the chip. When we pick up the car, we can open the map and navigate to the parking location. This technology has been applied to bicycles by university students in the Netherlands, and the cost of the NFC chip sticker used is only 50 yuan. NFC can be used for proximity cards. Recently, Beijing Weiduomei Bakery Group announced the support of the Apple Induction membership card. This kind of membership card is automatically obtained after an Apple Pay credit card is purchased, and each time after using Apple Pay, the member points will be automatically accumulated to the membership card when they are used to consume the most delicious food. Consumers can score handsomely. NFC can be used for bus cards, subway cards, and other stored value cards. It is not difficult to popularize NFC technology itself. Apple's opening of the NFC function of the iPhone will benefit the popularity of NFC technology.
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