• Web 1.0 refers to the first stage of the development of the World Wide Web, from 1991 to 2004. "In Web 1.0, there are few content creators, and the vast majority of users are just consumers of content." Personal area network pages are very common, and they are mainly hosted on a web server operated by an ISP or hosted on a web server operated by an ISP. Free web hosting services (such as GeoCities) are composed of static web pages. For example, TCP, IP, SMTP, HTTP are all designed in the 70s to 80s, uphold the spirit of openness and inclusiveness, they are also open standards, now whether it is an iPhone or an Android phone, there is a connection with these open source codes .
• Web 2.0 is a new Internet method that promotes information exchange and collaboration between people on the Internet through Web Applications, and its model is more user-centric. Typical Web 2.0 sites include: network communities, network applications, community sites, blogs, Wikis, and so on. For Google, Facebook, Twitter and other Web 2.0 companies, more personal data can lead to more personalized advertising, which means more clicks and more advertising revenue, and it has become the main profit of today’s Internet companies model.
• Web 3.0 has the following features, including Verifiable, Trustless, Self-governing, Distributed, etc. In Web 3.0, applications are usually located on peer nodes of the blockchain. Unnecessary and inefficient intermediaries will disappear on such networks. Gavin Wood, the co-founder of Ethereum, described that Web 3.0 is also the basis for personal freedom against tyrants’ overbearing authority. The tyrants referred to here can be the behemoths of technology, or they can shut down web servers and build digital ones at will. The powerful government of the Great Wall. How Web 3.0 will change the world and when it will actually appear, the answer is still very vague, but what is certain is that now Web 3.0 will reverse people's perception of the four words in the digital age.

<aside> 💡 Reference1：https://zh.wikipedia.org/wiki/Web_2.0 Reference2：https://buzzorange.com/techorange/2021/10/05/what-is-web3/

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