What’s the key？ What is a key？

The key is the activation code, which generally refers to the digital key of various network products. The key is used to verify and enable a function. Among the conventional activation codes, it is used for online game novice card encryption, online game internal test activation code and open network product invitation code. Universal digital key, the main concept, refers to the digital key of activation code, which has the characteristics of circulation, extensibility and initiative, and can be extended as an invitation code for various products or enterprise network publicity activities.