Blog / What is Web3? How to become a Web3 Developer?

What is Web3? How to become a Web3 Developer?


Omatech Web3


Web3 has been and continues to grow to become an inevitable trend in the future. And the field of Web3 programming is still fertile land containing many opportunities for those who are passionate and love this new technology. The following article Omatech will help you understand Web3 and how to become a Web3 Developer.


Web3 Developer


We have gone through two information revolutions of Web1 and Web2. The next future of the Internet is likely to be the boom of the Web3 era.

Web3 is the latest internet technology. It leverages the power of machine learning, artificial intelligence, and blockchain to achieve internet communication as close to the real world as possible.


What is Web3?

Web3 is the third phase of developing websites on the Internet. In it, Web3 connects to data in a decentralized way to provide a faster and more personalized user experience.


Web3 is built with artificial intelligence, machine learning, and semantic web and uses a blockchain system to keep your information safe.


Every software, website, and database on the Internet today is owned by someone or a company. They are stored on a server or in the cloud.


In contrast, Web3 is decentralized in nature. Therefore, when you create Web3 applications, you do so on a blockchain that everyone can access simultaneously.


Web3, based on blockchain technology, is the future decentralized Internet. AI and machine learning algorithms will manage the Internet, so there will be no control from a central location.


To better understand Web3, please refer to Omatech’s previous articles:


>>>>>>  What’s the difference between Web 2 and Web 3 and why does it matter?

>>>>>> Web3 use cases and applications

Web3 properties


Semantic web

The Semantic Web is an essential component of Web3. Tim Berners-Lee coined this phrase to describe a network of data that machines can analyze.


The Semantic Web will help teach computers to make better sense of data through real-world use cases.


3D graphics

Web3 will transform the future of the Internet as it evolves from a simple 2D web into a more realistic 3D networked world.


Web3 sites from e-commerce, online gaming, and the real estate market will effectively use these 3D designs.


Artificial intelligence

Thanks to artificial intelligence, websites can filter and deliver the best events to users.


In the current Web2 era, organizations have started collecting customer feedback to understand the product’s quality better.


However, there will be errors when a group of people intentionally give wrong responses. Artificial intelligence can learn to distinguish between good and insufficient data and provide us with the most reliable information possible.



With the advancement of mobile devices and internet connectivity, Web3 experiences will be accessible anywhere, anytime.


Difference between Web1, Web2, and Web3

Before diving into Web3, we will find out why Web3 appeared through its formation process from Web1 and Web2.


Web3 Developer
Quá trình phát triển của Web – Web1, Web2 và Web3
Web1 (1989-2005)

Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.


>>>> What is the World Wide Web?


Web1 is read-only. The primary purpose of Web1 was to find information. People can only read and not interact with anything else.


Key technologies of Web1 include:

  • HTML (HyperText Markup Language)
  • HTTP (HyperText Transfer Protocol)
  • URL (Uniform Resource Locator)
Web2 (1999-2012)

Darcy Dinucci first coined the term “Web2” in 1999 in her article “Fragmented Future.”


>>>> Fragmented Future – Darcy Dinucci


However, the term was later popularized by Tim O’Reilly and Dale Dougherty in late 2004.


People began interacting online in forums, creating content that other users could access, like, comment on, or share. The read-only mode has become obsolete, and Web2 is now promoted as a platform for interaction.


Web2.0’s core innovations:

  • Mobile
  • Social
  • Cloud

Finally, Web2 became obsolete in late 2012, and people started becoming aware of Web3.


Most of the services you use are dominated by giants like Google, Facebook, Microsoft, and Amazon. Users are subject to regulatory restrictions on their data use, which has brought numerous accusations against these multi-billion dollar corporations. The allegations say the businesses are mistreating users, taking advantage of their data, and posing a severe threat to democracy and free speech.


That is why many Blockchain experts view Web3 as a more secure version.

Web3 (2006-ongoing)

In 2006, the term Web3 was coined by John Markoff, a reporter for the New York Times.


In many ways, Web3 is a return to Berners-Lee’s original Semantic Web, which web3 required no central authority approval and no central control node. Both exist.


Web3 layers:

  • Edge computing
  • Decentralization
  • Artificial intelligence & machine learning
  • Blockchain

How does Web3 work?


With Web2, the user interacts with the frontend, then the frontend communicates with the backend, and the backend continues to communicate with its database. All code is stored on centralized servers. The information will be sent to the user through the internet browser.


Web3 has neither a centralized database nor a centralized web server. Instead, Web3 has the blockchain to build the application’s data in a decentralized way and is maintained by anonymous nodes on the web.


The logic of applications is defined in smart contracts. Here’s a screenshot of a Web3 application in action:


>>>>Web3 Smart Contract Development


Web3 Developer

Web3 Architecture

There are four critical elements in the architecture that makeup Web3:

Ethereum Blockchain: These are globally accessible state machines maintained by a peer-to-peer network of nodes. Anyone in the world can access the state machine and write on it.

Any single entity does not own it. Instead, it’s owned by everyone in the network. Users can write to the Ethereum blockchain but never update existing data.

Smart Contracts: These are programs that run on the Ethereum blockchain. App developers write them in high-level languages, such as Solidity or Vyper.

You can learn more about Solidity language through the following article at Omatech Web3 Blog!

Ethereum Virtual Machine (EVM) – These virtual machines aim to implement the logic defined in smart contracts. They handle state changes that take place on the state machine.

Front End: Like other applications, the front end defines the logical UI. However, it also connects to smart contracts to define application logic.

Advantages of Web3

Web3 will make the Web more innovative, secure, and transparent. That leads to our browsing experience being a lot more efficient than before.

Here are the outstanding advantages of web3:

Privacy and data control

End-user information will be encrypted for protection and not disclosed to other parties to use.

The encryption will not be able to be broken under any circumstances. This will prevent large organizations like Google and Apple from controlling or using users’ personal information for their benefit.

Thus, users will have full ownership and privacy of their information.

Service is less likely to be delayed.

Distributed data storage will ensure that users in any situation will access the data. Users will receive multiple backups, which is quite beneficial in case of server failure.

In addition, organizations or governments cannot have the right to stop any services and websites. As a result, the possibility of account suspension and denial of distributed services is significantly reduced.

High transparency

All end users on the blockchain platform can track their data and inspect the code from that platform.

This means that all data and transactions are traceable and immutable. Thus, web3 can solve the problem of trust without the need for additional intermediaries.

Easy access to data

The data will be accessible from anywhere and from any device.

Web3 will continue to scale the scale of interaction: faster payments, richer information flows, and more reliable data transmission.

This will happen because Web3 will allow us to interact with any machine without going through charged intermediaries.

One Profile for all platforms

With Web3, users do not need to create separate personal profiles for each platform. A single profile will work on any platform, and users will fully own all their information.

No company can access user data. However, users can choose to sell their data for advertising and brands.

Enhance data processing

Web3 uses artificial intelligence to filter out valuable information from large amounts of data. So the data processing will be more efficient and provide the correct value for the user’s needs.

How can become a Web3 developer?

Before becoming a Web3 developer, let’s review with Omatech the programming skills for Web2 that can be used for Web3 development!

  1. TypeScript.

  1. JavaScript.If you know how to use React.js is an advantage. React JS is used on the front end in most Web3 applications.

  1. NextJS is a valuable skill to have.

  1. Operating systems and databases are basic computer science concepts

Knowledge of elliptical curve cryptography, private keys, fundamentals of hash functions, and asymmetric key cryptography is the foundation of blockchain.

Essential skills for Web3 developers

Blockchain is part of Web3. So you need to understand the principles of blockchain and how blockchain works.

Programming language for Blockchain development

There are two types of blockchains used to build applications:


Solana is a new blockchain ecosystem with lower transaction fees. It uses the Rust programming language to build programs. Therefore, you need to learn Rust to make applications on Solana.

For building large Web3 applications, Ethereum is the most widely used blockchain. Solidity is a programming language used to create contracts for Ethereum-based applications.

Understanding Cryptocurrency Wallets

As the next step, you should learn how to use and understand how cryptocurrency wallets work. Metamask wallet is the most popular and easy to learn for beginners. You can learn how to use this Metamask wallet first!

Learn how to decipher financial transactions

Etherscan gives you a complete picture of all blockchain transactions.

Be aware and learn to read transactions. Explore the different fields and what they entail. What are the calling functions being made? How to verify a contract?

All information is updated on Omatech’s website. Follow us to stay up to date with the latest Web2 to Web3 conversion technologies and blockchain applications in practice!


Hopefully, the above article provides valuable information and orientations about Web3 to dig deeper into this potential technology.

If you are interested in web3 and have passion and love for Web3 developers, you can refer to more articles about Omatech’s blog.


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