Web3 is one of the hottest topics today because it comes with a lot of benefits.Internet came followed by web and blockchain came with a new concept, Web3!
before talking about web3 we need to know about web history.in this lecture we will talk about history of web and its features.
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What is the Internet?
is a worldwide system of computer networks — a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers). It was conceived by the Advanced Research Projects Agency (ARPA) of the U.S. government in 1969 and was first known as the ARPANET. The original aim was to create a network that would allow users of a research computer at one university to “talk to” research computers at other universities. A side benefit of ARPANet’s design was that, because messages could be routed or rerouted in more than one direction, the network could continue to function even if parts of it were destroyed in the event of a military attack or other disaster.
Tim Berners-Lee was the man, who led the development of the World Wide Web, the defining of HTTP (HyperText Transfer Protocol), HTML (hypertext markup language) used to create web pages, and URLs (Universal Resource Locators). The development of WWW, HTTP, HTML and URLs took place between 1989 and 1991. Tim Berners-Lee was born in London and he graduated in Physics from Oxford University in 1976. Currently, Tim Berners-Lee is the Director of the World Wide Web Consortium, the group that sets technical standards for the web.
Tim Berners-Lee, Vinton Cerf is also named as an internet daddy other than Tim Berners-Lee. After being out for 10 years from high school, he began co-designing and co-developing the protocols and structure of what became the internet.
Web1 (1980s — early 2000’s)
The first phase of the Internet, Web1, was mainly about providing the everyday consumer with online content and information.
As consumers could only read information or content online, and not yet interact with it, Web1 was incredibly static.
When you think about Web1, think Internet Explorer, Yahoo, or Netscape. While web1 was read-only, the companies we associate with web1 were built on open protocols (meaning pretty much any person or organization could build on the internet and know they were subject to the same rules as the next person or organization).
What is Web2?
Web2 is the version of the internet most of us know and use today. Where Web1 was static and “read-only,” Web2 is “read-write,” and interactive. Under Web2, the internet became more usable: web2 was dynamic and users could consume, interact with, and create content on the internet themselves.
Along the way, the internet became largely dominated by the four behemoths we know today as Apple, Amazon, Facebook, and Google. Web2 also saw an explosion in the use of smartphones, and most of internet use was through mobile apps and hardware built by these companies. While this meant more people could participate in the internet, it also meant the internet was becoming increasingly controlled by the leading digital platforms.
Why is this a problem? In the centralized internet we know today, Apple can take a 30% cut on all paid-app downloads and in-app purchases, Twitter and Facebook can de-platform the President of the United States, and the everyday consumer has less privacy, security, and control over their online information than ever before.
We also see a lot of data breaches happening all across web2 leading to reduced security and privacy for one’s personal data. When a user’s data gets breached its easy for them to become a victim of identity theft, personal attacks etc.
What is Web3?
Web3, the future internet we’re moving towards, is a decentralized internet. Under Web3, the internet is shared online and governed by the collective “we,” rather than owned by centralized entities. The Web3 world is one that has open-source protocols at its foundation. Web3 is about rearchitecting internet services and products so that they benefit people rather than entities.
- It is getting built such that everything would happen in a decentralized distributed way giving no central authority access to control the system.
- ‘Open’ as it would be open sourced software built by an open and accessible community of developers and executed in full view of the world.
- ‘Trustless’ in that the network itself allows participants to interact publicly or privately without a trusted third party.
- ‘Permissionless’ in that anyone, both users and suppliers,can participate without authorisation from a governing body.
Difference between the World Wide Web and the Internet
The key difference between the Internet and the World Wide Web (WWW or the Web) is that the Internet is a global connection of networks while the Web is a collection of information that can be accessed using the Internet. In other words, the Internet is the infrastructure and the Web is a service on top.
The Web is the most widely used part of the Internet. Its outstanding feature is hypertext, a method of instant cross-referencing. In most Web sites, certain words or phrases appear in text of a different color than the rest; often this text is also underlined. When a user selects one of these words or phrases, they will be transferred to the related site or page. Buttons, images, or portions of images are also used as hyperlinks.
The Web provides access to billions of pages of information. Web browsing is done through a Web browser, the most popular of which are Google Chrome, Firefox and Internet Explorer. The appearance of a particular Web site may vary slightly depending on the browser used. Later or more updated versions of a particular browser are able to render more complex features, such as animation, virtual reality, sound and music files.
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