The term “Web3” has been buzzing around tech circles in recent years, leaving many curious about its potential impact. Web3 represents a new Internet era with great promise for revolutionizing how we interact, transact, and build digital applications. 

To fully understand the meaning and capabilities of Web3 it’s important to learn about the tools or that Web3 relies on. Let’s learn about the basic functioning of Web3 and how you can start your venture in this field.

Understanding Web1 and Web2

To understand Web3, we must first look back at its predecessors. Web1, often called the “read-only web,” marked the early days of the Internet when users could only consume information passively.

Then came Web2, the “read-write web,” which empowered users to actively contribute and participate, giving rise to social media, e-commerce, and online collaboration tools. While Web2 brought significant advancements, it also exposed us to data breaches, privacy concerns, and centralized control.

Entering Web3

Web3 represents a decentralized and user-centric internet. It leverages blockchain technology, cryptography, and peer-to-peer networks to build a more secure, transparent, and democratic digital landscape. 

In Web3, users regain control of their data, and digital interactions become trustless, eliminating the need for intermediaries and empowering individuals with sovereignty over their online presence.

Key Pillars of Web3

Web3 relies on certain principles and pillars that the technology has been built upon.


At the core of Web3 lies the principle of decentralization, which fundamentally shifts power away from a single authority or entity and distributes it across a network of nodes. 

This decentralized architecture ensures transparency, as all transactions and operations are recorded on a public ledger, making it difficult for any entity to manipulate or censor data. By eliminating the need for intermediaries, Web3 enhances security and privacy, empowering individuals to have complete control over their digital interactions.


Web3 emphasizes the importance of interoperability, allowing different applications and platforms to communicate and share data seamlessly. In the current web ecosystem, siloed platforms limit innovation and hinder collaboration.

Web3, on the other hand, promotes an open and interconnected network where developers can build upon existing protocols and collaborate across projects. This interoperability fosters a vibrant ecosystem where ideas and functionalities can be combined, creating more powerful and versatile applications.


Web3 introduces the concept of digital tokens or cryptocurrencies, which act as programmable assets within the ecosystem. Tokens represent various forms of value, such as ownership rights, access privileges, or even governance mechanisms within decentralized applications (DApps). 

Tokenization allows for creation of new economic models, where participants are incentivized to collaborate and contribute to the ecosystem’s growth. By aligning the interests of users, developers, and other stakeholders, Web3 promotes a more inclusive and cooperative digital economy.

Web3 Applications

Web3 is not just a theoretical concept; it has already begun to power various applications reshaping industries. 

Decentralized Finance (DeFi)

Decentralized Finance, or DeFi, is one of the most prominent and transformative use cases of Web3. DeFi enables individuals to engage in peer-to-peer lending, decentralized exchanges, and automated market-making protocols, all without the need for traditional financial intermediaries. 

Through DeFi, anyone with an internet connection can access financial services, such as borrowing, lending, and earning interest, with greater efficiency, transparency, and accessibility.

Non-Fungible Tokens (NFTs)

Non-Fungible Tokens have taken the art and collectibles world by storm, offering a revolutionary way to represent ownership and authenticity of digital assets. Leveraging the power of Web3, NFTs provide verifiable proof of ownership for digital artwork, music, virtual real estate, and more. 

Artists and creators can directly monetize their work, eliminating the dependence on intermediaries and ensuring a fairer revenue distribution. 

NFTs also enable new opportunities for fan engagement, allowing collectors to interact with their favorite artists in unique ways.
Feel free to read Harvard’s article on NFT’s and how they create value in case you want further information.

Decentralized Social Networks

Web3 is also driving a revolution in social media by introducing decentralized alternatives that prioritize user privacy, data ownership, and content monetization. 

These platforms empower users to have complete control over their personal information, allowing them to choose what data they share and with whom. 

Additionally, decentralized social networks offer novel monetization models, enabling content creators to be directly rewarded by their audience, fostering a more democratic and user-centric online social experience.

Challenges and Opportunities

While the potential of Web3 is undeniably immense, it is crucial to acknowledge the challenges it faces and the opportunities they bring.


Scalability is a critical challenge for Web3, as increasing users and transactions strains existing blockchain networks. 

However, this challenge opens doors for innovative solutions like layer two scaling techniques, such as state channels and sidechains, which can significantly improve the scalability of Web3 applications.

User Experience

User experience is another critical aspect that requires attention. For Web3 to gain widespread adoption, it must provide a seamless and intuitive interface that caters to tech-savvy individuals and everyday users. 

Enhancements in user experience, including user-friendly wallets, simplified onboarding processes, and intuitive DApp interfaces, can bridge the gap between complex underlying technology and user-friendly applications, making Web3 more accessible to the masses.

Regulatory Frameworks

Furthermore, regulatory frameworks present both challenges and opportunities for Web3. The evolving nature of this technology poses challenges in terms of compliance, consumer protection, and privacy. 

However, thoughtful regulation can transform these challenges into opportunities to establish clear guidelines and standards that foster innovation and trust in the Web3 ecosystem. 

Collaborative efforts between industry stakeholders and regulators can pave the way for a regulatory framework that balances innovation, security, and accountability.

Every difficulty is an Opportunity

In this landscape of challenges, there are abundant opportunities for entrepreneurs, developers, and communities to shape the future of Web3. 

Entrepreneurs can leverage the open and decentralized nature of Web3 to build innovative businesses that disrupt traditional industries and unlock new economic models.

Learning about Web3 isn’t all too hard. Online Web3 courses are an excellent place to start. At Nexttrain we have numerous certified online Web3 courses to help you begin your Web3 career.

Although challenges lie ahead, the opportunities for innovation and empowerment are vast. As we embark on this exciting journey into the future, Web3 has the potential to transform the way we interact with the digital world creating a more inclusive, secure, and user-centric internet for all.

So stick with us and let’s uncover together what the future of Web3 holds.