The past decade has been one of constant evolution for smartphones. At the time, some large companies thought they could revolutionize the development of smartphones by introducing modular architecture. In 2013, Google announced Project Ara, a smartphone that uses a modular design. Ara is different from today's monolithic aluminum and glass phones, and users can customize it in a variety of ways because the key components are modular. In this way, users do not need to update their phones regularly, and only need to add the latest components to their old phones according to their preferences.

Modularity has not worked in the mobile ecosystem, and the concept has been all but forgotten in the history of technology. But the concept of modularity is on the rise again in the blockchain field, and this time its fate may be different, bringing a strong stroke to the history of blockchain development.