A guide on how to build a blockchain with JavaScript

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Although JavaScript is now the most widely used programming language in the world, it’s usually not the first language that comes to mind for building a blockchain. This may be because JavaScript is often considered a front-end technology, despite continued development and use of Node.js. Lisk changes everything about this misconception and enables JavaScript developers to create powerful blockchains.

The purpose of this article is to teach you how to build Javascript Blockchains with the Lisk SDK. At the end, you can use it to create your own blockchain application using JavaScript.

If you are a JavaScript developer new to blockchain

Are you a JavaScript developer interested in learning more about blockchain but not sure where to start? You should read the blog first Blockchain in JavaScriptwhich will give you an overview of some of the fundamentals and key benefits of using JavaScript for blockchain development.

Once you’re done, you can get started with some of our free Javascript-based blockchain application tutorials listed below. Additionally, there are several training courses and guidance for deploying your own blockchain application concept.

Blockchain Javascript Tutorials

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

All of these tutorials, ranging in difficulty from beginner to intermediate, can be completed in 4 hours or less. Additionally, they are built on ideas applicable to real-world use cases and problems present in the blockchain industry.

Dashboard application and Hello World tutorial

The first one Lisk SDK Developer tutorial shows how to create a “Hello World” application in keeping with the traditions of software development. Users will learn how to perform the following tasks from this tutorial:

  • Initialize a basic blockchain application
  • Creation of custom modules
  • Creation of custom plugins
  • Setting up blockchain applications
  • Using the Lisk Dashboard
  • Unit test modules and assets

NFT App Tutorial

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 following Lisk’s Non-Fungible Tokens (NFT) tutorial:

  • Create an NFT-enabled blockchain application.
  • Create a custom module to produce and buy NFTs.
  • Create a custom plugin with additional features related to NFT.

Social Recovery System (SRS) Tutorial

The fear of losing funds is a common problem for all cryptocurrency users. A user can lose access to their passphrase under various circumstances, including an accident or theft. This social recovery system aims to alleviate some of these concerns.

Users will be able to perform the following tasks using Lisk’s Social Recovery System (SRS) tutorial:

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

Tutorial for Lisk Name Service (LNS)

Many blockchain applications want to use a domain name service, comparable to DNS or the Ethereum Name Service (ENS). The Lisk Name Service (LNS) tutorial allows 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 for JavaScript Course

Along with relevant blockchain application tutorials, we have also suggested some courses to take. These blockchain courses can build the foundation of your knowledge. Here are a few different options that relate specifically to JavaScript in Blockchain.

Learn About Blockchain by Creating Your Own in JavaScript – Udemy

This course offers an in-depth method to learn blockchain in JavaScript. There are several video lectures on this. The content is divided into the following eight sections:

  • Introduction
  • Building a Blockchain
  • Access to the blockchain via the API
  • Build a blockchain network
  • Coordinate the network
  • Consensus
  • Explore blockchain
  • Conclusion

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

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

Building a DEX Using JavaScript: Getting Started at Moralis Academy

Want to learn blockchain with JavaScript but have little or no prior programming knowledge? Try this class from Moralis Academy. 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 capabilities to communicate with already existing blockchain platforms like 1inch and Coinpaprika. Next, you’ll be guided through every step needed to create your own JavaScript-based decentralized exchange (DEX).

Coursera – Programming a Basic Blockchain with Javascript

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

Deploy your own custom blockchain idea

Having completed the Lisk Tutorials and maybe a Blockchain course in JavaScript, now you want to create your own blockchain. Before you start developing, you should read How to build a blockchain in order to examine all your alternatives and learn the basic starting points.

Then take a look at Web3 JavaScript projectsfor example, if you need ideas on what to build for your blockchain application.

Lisk Discord has the answers if you’re stuck, join us today and introduce yourself. Finally, don’t forget to inquire about the funding options available through the Lisk grant program.

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