A Guide on How to Build a Blockchain with Javascript by@lisk
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A Guide on How to Build a Blockchain with Javascript

October 28th 2022
5 min
by @lisk 35,719 reads
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JavaScript is frequently regarded as a front-end technology, despite the continuous development and use of Node.js. Lisk changes everything about that misconception and empowers Javascript developers to build powerful blockchains. The goal of this article is to teach you how to build Javascript Blockchains with the Lisk SDK. By the end, you will be able to utilize it to build your own blockchain application using JavaScript. The first tutorial demonstrates how to create a "Hello World" application in keeping with the traditions of software development.

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Although JavaScript is now the most widely used programming language worldwide, it is not usually the first language that comes to mind for building a blockchain. This could be because JavaScript is frequently regarded as a front-end technology, despite the continuous development and use of Node.js. Lisk changes everything about that misconception and empowers Javascript developers to build powerful blockchains.

The goal of this article is to teach you how to build Javascript Blockchains with the Lisk SDK. By the end, you will be able to utilize it to build your own blockchain application using JavaScript.

If you are a JavaScript developer new to blockchain

Are you a JavaScript developer interested in learning about blockchain but unsure of where to begin? You should first read the blog post Blockchain in JavaScript, which will give you an overview of some of the fundamentals and major benefits of utilizing JavaScript for blockchain development.

Once you are done with that, you can begin with some of our free Javascript-based blockchain application tutorials listed below. Additionally, there are several educational courses and some guidance for deploying your own blockchain application concept.

Javascript Blockchain Tutorials

Lisk SDK makes it easy to understand the intricacies of the blockchain network and related modules. Already, several tutorials are available for developers that want to understand blockchain in JavaScript.

All of these tutorials, which range in difficulty from beginning to intermediate, can be finished in 4 hours or less. Additionally, they are built on ideas that are applicable to real world use cases and issues present in the blockchain industry.

Dashboard App and Hello World Tutorial


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The first Lisk SDK tutorial offered to developers demonstrates how to create a "Hello World" application in keeping with the traditions of software development. Users will learn how to carry out the following tasks from this tutorial:

  • Initialize a basic blockchain application
  • Custom module creation
  • Custom plugin creation
  • Blockchain application configuration
  • Utilizing Lisk Dashboard
  • Unit Test modules and assets

NFT App Tutorial


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NFTs are becoming increasingly popular in the crypto industry. As a result, a number of projects such as Colecti, Enevti, and RGB are already being developed on the Lisk network around the existing NFT concept. Additionally, the upcoming Lisk SDK v6 will support a standardized NFT module.

Users can learn how to do the following by going through Lisk's Non-fungible Token (NFT) Tutorial:

  • Make an NFT-compatible blockchain application.
  • Make a custom module for producing and buying NFTs.
  • Create a custom plugin with extra NFT-related functionalities.

Social Recovery System (SRS) Tutorial

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The worry of losing one's funds is a common issue among all cryptocurrency users. A user can lose access to their passphrase in a variety of circumstances, including accidents and theft. This Social Recovery System aims to alleviate some of those concerns.


Users will be able to carry out the following tasks using Lisk's Social Recovery System (SRS) Tutorial:

  • Create a tool for account recovery.
  • Establish a recovery configuration.

Tutorial for Lisk Name Service (LNS)


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Many blockchain applications want to make use of a domain name service, comparable to the DNS or the Ethereum Name Service (ENS). The Lisk Name Service (LNS) tutorial enables the development of a service where users can register .lsk domains for a predetermined period of time (1-5 years).

Users will be able to do the following after completing the Lisk Name Service (LNS) Tutorial:

  • Create a service that enables decentralized DNS
  • Create domains with .lsk
  • Configure TXT and CNAME records

Blockchain Courses for JavaScript

Besides just the relevant blockchain application tutorials, we’ve also suggested courses to take. These blockchain courses can be the foundation of your knowledge. Listed here are a few different options that are specifically about JavaScript in Blockchain.

Learn Blockchain by Creating Your Own in JavaScript - Udemy

This course offers a thorough method for learning blockchain in JavaScript. There are several video lectures about it. The content is divided into eight following sections:

  • Introduction
  • Constructing a blockchain
  • Blockchain Access through API
  • Build a blockchain network
  • Coordinating the network
  • Consensus
  • Explore the blockchain
  • Conclusion

This course will teach you how to use JavaScript to create your own decentralized blockchain network. Along the way, you will have also picked up and made use of a variety of crucial blockchain concepts, including cryptography, algorithms, network broadcasts, and a lot more.

An installation of Node.js and a working knowledge of JavaScript are requirements for this course.

Build a DEX Using JavaScript: Beginning Programming at Moralis Academy

Want to learn blockchain with JavaScript but have little to no prior programming knowledge? Try this Moralis Academy course. The course begins by covering all the fundamentals of HTML, CSS, and JavaScript.

When you have learned the basics of programming, you can use these abilities to communicate with already-existing blockchain platforms like 1inch and Coinpaprika. Afterward, you'll be guided through every step needed to create your own JavaScript-based decentralized exchange (DEX).

Coursera - Programando un blockchain básico con Javascript

This one-hour course is taught entirely in Spanish, as the title suggests. The user will create a straightforward blockchain application using Node.js in this tutorial for JavaScript beginners. A brief introduction to blockchain technology precedes the definition and programming of blocks, followed by the programming and testing of an application.

Deploy your own custom blockchain idea

Having completed the Lisk Tutorials and perhaps a Blockchain in JavaScript Course, you now want to create your own blockchain. Before you begin to develop, you should read How to Build a Blockchain in order to examine all of your alternatives and learn basic starting points.

Next, take a look at JavaScript Web3 Projects, for example, if you need some ideas on what to construct for your blockchain application.

Lisk Discord has the answers if you get stuck, join today and introduce yourself. Lastly, don't forget to look into financing options available through the Lisk Grant Program.

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