Is Web3 Deprecated? [Ethereum, Web3.js, and MetaMask Explained]

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Table of Contents
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Key Takeaways:

  • Web3 is not deprecated as it is the next iteration of the internet
  • Web3 relies on blockchain, smart contracts, and decentralized applications
  • The Web3 movement is still in its early stages, but it has potential

Is Web3 Deprecated?

Web3 is not deprecated, although it has undergone several breaking changes over the years, causing some confusion among users. 

The latest version of Web3 is currently 1.9.0 as of April 2023. 

Web3 is a JavaScript library that allows users to interact with the Ethereum blockchain and is used by developers to build decentralized applications (dApps). 

Web3 is critical to the Ethereum ecosystem as it helps to decentralize the web and is a protocol that enables consensus to be reached across the network. 

While Web3 is not deprecated, some legacy implementations of Web3 may no longer be maintained or updated, and some resources relating to older versions may have been removed. 

For this reason, it is important for users to ensure that they are using the latest version of Web3 and to check the documentation and source code for any changes that may impact their application. 

The Ethereum Foundation recommends that developers use a tool like Web3.js alongside other tools like Ethereum Wallet or Parity to ensure a fast platform for testing and development. 

It is important for developers to maintain and manage their own code to minimize maintenance and distribution of critical updates.

How Ethereum, Web3.js, and MetaMask Relate to Web3?

Ethereum, Web3.js, and MetaMask are all important components of the Web3 ecosystem. 

Ethereum is a blockchain-based platform that enables the creation and execution of smart contracts, which are self-executing contracts with the terms of the agreement between buyer and seller being directly written into code. 

Web3.js is a JavaScript library that enables developers to interact with the Ethereum blockchain and build decentralized applications (dApps). 

MetaMask is a browser extension that enables users to manage their Ethereum accounts and interact with dApps directly from their web browser. 

Together, these three components make it possible for developers to build and deploy decentralized applications on the Ethereum blockchain, while also enabling users to interact with these applications easily and securely. 

The Ethereum node provides access to the blockchain and the ability to run smart contracts. 

Web3.js is the tool that developers use to interact with the Ethereum node and write smart contracts, while MetaMask provides a convenient interface for users to manage their Ethereum accounts and interact with dApps.

Is Web3js Also Deprecated?

Web3js is not deprecated, and it is still widely used by Ethereum developers. 

Web3js, also known as Web3.js, is a JavaScript library used to interact with the Ethereum blockchain.

It is an essential tool for building decentralized applications (dApps) on the Ethereum platform. 

However, there has been confusion about whether Web3js is also deprecated, just like the Web3 API. Although there have been some changes and updates to the library, it is still being maintained and developed. 

The latest version of Web3js is currently 1.9.0 as of April 2023. Therefore, if you are an Ethereum developer or building dApps on the Ethereum platform, Web3js is still a critical tool for you. 

However, it is always essential to check the latest documentation and updates to ensure you are using the latest version and best practices.

What is the Difference Between Web3 and Web3.js?

Web3 is the underlying protocol, while Web3.js is a library that enables developers to interact with the protocol. 

Web3 is a protocol that facilitates the creation and use of decentralized applications (dApps) on the Ethereum blockchain. 

It is a software suite that comprises a set of libraries, tools, and protocols. It allows developers to interact with the Ethereum network, build and manage smart contracts, and create dApps. 

Web3.js is a JavaScript library that provides a convenient interface to interact with the Web3 protocol. 

It is a client-side library that can interact with the Ethereum network and provides developers with a simple and easy-to-use API for developing dApps.

Web3 provides the underlying protocol and tools. 

Web3.js is a library that provides a higher-level abstraction that simplifies the interaction with the protocol.

It is not the only library available for interacting with the Web3 protocol, but it is one of the most widely used ones. 

Web3.js is written in JavaScript and can be used in a browser or a Node.js environment.

Web3 provides the low-level functionality, while Web3.js provides a more user-friendly interface to that functionality. 

Understanding the difference between these two is important for developers who want to create dApps on the Ethereum blockchain.

Should Developers Migrate Their Content like App Library or API?

As with any change in technology, it’s essential to evaluate whether migration is necessary or even beneficial. 

With Web3, whether developers should migrate their content like app library or API depends on several factors. 

First, it’s important to consider the current status and compatibility of your existing Web3 content.

If it’s still functioning correctly and there are no pressing issues, it may not be necessary to migrate immediately. 

Second, the benefits of migration should be weighed against the time, and resources required for the process.

If the benefits outweigh the costs, migration can be a smart move. Third, consider the long-term implications of not migrating. 

If the current Web3 content becomes deprecated or unsupported, developers may experience difficulties maintaining their app or API. 

Developers must carefully evaluate their existing content’s status, the benefits of migration, and the long-term implications of not migrating.

Is MetaMask a Web3 Provider API?

Yes, MetaMask acts as a Web3 provider by exposing a provider API that allows developers to interact with the Ethereum blockchain through the user’s MetaMask account. 

MetaMask is a popular browser extension that provides a convenient and secure way for users to interact with decentralized applications (dApps) built on the Ethereum blockchain.

Here are some key points to keep in mind regarding MetaMask as a Web3 provider:

  • MetaMask is a client-side application that runs on the user’s browser and interacts with the Ethereum network.
  • The provider API exposed by MetaMask allows developers to interact with the Ethereum blockchain using standard Web3.js calls.
  • MetaMask can also inject Web3.js into the web page, making it easy for developers to access the Ethereum network directly from their dApps.
  • MetaMask provides a convenient way for users to manage their Ethereum accounts and sign transactions securely.
  • MetaMask is a reliable way to access the Ethereum network, but developers should always follow security best practices to ensure the safety of their users’ funds.


Is Web3 the Future?

Web3 has been gaining popularity as the next big thing in the tech industry. 

With its promise of decentralization and increased security, it is being touted as the future of the internet. 

Web3 is built on blockchain technology, which provides a secure and transparent way to conduct transactions.

It offers many exciting possibilities, such as decentralized applications, smart contracts, and cryptocurrencies. 

However, it is still in its early stages of development, and its full potential is yet to be realized.

While it is uncertain whether Web3 will completely replace the current web, it will play a significant role in shaping the future of the internet.

What Does Web3 Mean?

Web3 is a term used to describe the third generation of the internet. 

It refers to a new set of technologies and standards that enable decentralized applications (dApps) to run on the blockchain. 

Essentially, Web3 is a new way of building and interacting with applications on the internet, one that is focused on decentralization, transparency, and security. 

In a Web3 world, users are in control of their data and applications, rather than being at the mercy of centralized intermediaries.

This has the potential to transform the way we interact with each other, conduct business, and exchange value on the internet.

What is a Web3 Browser?

A Web3 browser is a web browser that allows users to interact with decentralized applications (dApps) that are built on blockchain technology. 

Unlike traditional web browsers that only interact with centralized servers, Web3 browsers connect to decentralized networks and allow users to manage their digital assets, such as cryptocurrencies. 

They can also interact with dApps that are built on blockchain networks. Some popular examples of Web3 browsers include MetaMask, Opera, and Brave. 

They offer users a more secure and private browsing experience by using advanced encryption techniques to protect their data and identity. 

With the rise of blockchain technology and decentralized applications, Web3 browsers are becoming increasingly important for users who want to take advantage of the benefits of blockchain technology and take part in the decentralized economy.

Is Web3 Also Metaverse?

Web3 and Metaverse are related concepts, but they are not the same thing. 

Web3 refers to the next generation of the internet, where blockchain technology and decentralized systems will provide more secure and transparent online experiences. 

The Metaverse is a virtual space that allows users to interact with a computer-generated environment and each other in real-time.

While Web3 technology can power the Metaverse, the two concepts are distinct.

Conclusion: Is Web3 Deprecated?

Web3.js is a powerful convenience library for Ethereum developers that allows them to interact with the Ethereum blockchain from their applications. 

It provides a simple and easy-to-use interface that abstracts away the complexity of working with the Ethereum network. 

Developers looking to migrate their apps to the latest version of Web3.js can benefit from the documentation, tutorials, and community support available online. 

MetaMask is not a Web3 provider but a browser extension that injects a Web3 object into web pages to enable interaction with the Ethereum network. 

Overall, with the increasing adoption of blockchain technology, Web3.js and related tools like MetaMask will continue to play a vital role in building decentralized applications on the Ethereum network. 



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About the Author:
Alex Sterling stands at the forefront of blockchain innovation, offering a technical perspective rooted in a Computer Science background. Specializing in decentralized systems, Alex's articles dissect blockchain technologies and crypto market trends, making intricate details comprehensible for readers. They are deeply involved in blockchain project development, frequently sharing their technical expertise at tech conferences. Alex's work aims to educate and inspire readers about the transformative potential of blockchain and cryptocurrency.