Recently, I've been pondering a question: what will the next stage of the internet look like? Many people are discussing Web 4.0, but few truly understand it. I’ve spent some time organizing my thoughts and would like to share my observations.

Web 4.0, also called Web4, is essentially an evolution beyond Web 3.0. If Web 3.0 marked the beginning of decentralization, then Web 4.0 aims to push this concept to the extreme, integrating emerging technologies like artificial intelligence, the Internet of Things, and quantum computing. It sounds very sci-fi, but many of these technologies are already gradually maturing.

I believe the most important features of Web 4.0 are worth paying attention to. First is true intelligence—not just simple AI assistance, but AI-driven, context-aware interactions. Second is complete autonomy, where the network can self-repair and self-optimize without human intervention. Coupled with blockchain’s decentralization, the entire ecosystem becomes a self-governing, community-driven system.

From a tech stack perspective, Web 4.0 will integrate many components. Besides blockchain and AI, it will include seamless connectivity of IoT devices, immersive extended reality (XR) experiences, leaps in processing power brought by quantum computing, and support from 5G/6G networks. Each of these technologies is powerful on its own, and their combination could produce unpredictable and fascinating synergies—though it’s hard to fully imagine what that will look like now.

In terms of application scenarios, Web 4.0 has a lot to offer. Smart homes, smart cities, virtual reality, healthcare, decentralized finance, education—all will be profoundly impacted. Especially in finance, the security enhancements and transaction efficiency improvements brought by Web 4.0 could reshape the entire industry.

But I also remain cautious. The challenges Web 4.0 faces are very real. Scalability, interoperability among different systems, regulatory frameworks, security risks, and most importantly, public acceptance—solving these issues won’t be easy.

Looking at the timeline, we are currently in the early stages of Web 4.0. Between 2025 and 2030, the focus will be on maturing Web 3.0 and exploring initial applications of Web 4.0. From 2030 to 2040, Web 4.0 will truly develop. After 2040, if everything goes smoothly, Web 4.0 should become the mainstream form of the internet.

A review of the internet’s evolution makes this trend clear. Web 1.0 was a static, one-way information network. Web 2.0 became interactive and social. Web 3.0 introduced decentralization and semantic understanding. Now, Web 4.0 aims to integrate all these elements to create a new internet that is intelligent, autonomous, secure, and highly efficient.

Of course, Web 4.0 is still just a hypothesis. Its actual development will be influenced by technological progress and societal needs. But I believe this direction is correct and worth continuous attention. If you’re also interested in the future of the internet, the concept of Web 4.0 is definitely something you shouldn’t miss.