How to use QR codes for anti-counterfeiting: Dynamic vs. Secure

由于数字印刷、智能手机摄像头的进步以及最近消费者习惯的改变，全球品牌正在接受用于防伪包装和文件的二维码防伪解决方案。综合来看，这些变化使得安全的二维码比传统的物理防伪特征（如全息图和标签剂）更具可扩展性和成本效益。

In this article, we apply decades of Scantrust experience pioneering anti-counterfeit security to an in-depth review of the security features, pros, and cons of using QR codes for anti-counterfeit packaging and documents.

We will review, in-depth:

1. Overview: the types of QR codes typically used and whether they have a security feature
2. How counterfeiters typically copy packaging and QR codes
3. Static and dynamic QR code security
4. Serialized (unique) code security
5. Secure QR codes security
6. How to protect against counterfeiters bypassing your QR code
7. How practical it is for users to scan QR codes for product authentication
8. How to choose a QR-code-based anti-counterfeiting solution

The following shows several types of QR codes and their features as they can be applied to an anti-counterfeiting use case: