a) Sustainability and security.
b) Unlimited scalability with proof-of-work.
c) High transaction fees for miners.
d) Solely fast transactions, ignoring energy efficiency.
Correct Answer: a) Sustainability and security.
Explanation: Cardano ($ADA) uses a proof-of-stake mechanism to ensure environmentally…[Read more]
Imagine you’re at a family gathering, and your grandmother loves giving out special gift cards to family members. These gift cards can be used in different ways:
Gift Card (Security Scenario):
Suppose your grandmother buys special investment gift cards from a bank. These cards are like a promise – when she…[Read more]
Blockchain and Cryptocurrency in India: A Revolution in the Making
India, the world’s largest democracy, stands at the cusp of a digital revolution, with blockchain and cryptocurrency spearheading this transformation. From enhancing transparency in governance to revolutionizing industries, blockchain technology and cryptocurrencies have emerged…[Read more]
Boost your development workflow with Truffle—a powerful development environment, testing framework and asset pipeline for any EVM-compatible blockchain.
Truffle includes:
Built-in smart contract compilation
A scriptable migration framework
And more
On the other hand, Ganache is part of the Truffle suite and is used f…[Read more]
Testing your blockchain Smart Contracts is crucial.
What sets blockchain apart is its non-reversibility: once a Smart Contract is deployed, it cannot be edited or recalled and deployment involves real costs (GAS fees).
That’s why it’s essential to thoroughly test your Smart Contracts before deploying the…[Read more]
Develop Your First Decentralized Application (DApp)
The best way to learn is by practicing and solving real problems—it’s how our brains retain information most effectively.
Start building your first DApps to solidify your understanding of blockchain development.
Take the freeCodeCamp course and develop 5 DApps to enhance your ski…[Read more]
Connect Your DApp Frontend: Learn Web3.js or Ethers.js
Once you’ve mastered Smart Contracts, the next step is connecting your front-end to your Solidity (or similar) backend. This can be done using communication protocols like HTTP or WebSockets.
To achieve this, you can use one of two popular JavaScript libraries:
One of the most fun and effective ways to learn Solidity is through a gamified programming course. In this interactive experience, you’ll build Smart Contracts while creating a zombie factory—perfect for kickstarting your world domination plans!
Check out CryptoZombies—it’s completely free and a great way to…[Read more]
Learn Solidity to Develop and Deploy Smart Contracts
Understanding Smart Contracts is just the beginning. As a Web3.0 or Blockchain Developer, you need to learn how to write and deploy your own. That’s where Solidity comes in.
Solidity is a high-level, contract-oriented programming language specifically designed for writing Smart Contracts. It e…[Read more]
Ethereum and Smart Contracts go hand in hand—you need to understand both.
A Smart Contract is a program stored on a blockchain that automatically executes agreements when predefined conditions are met.
These contracts are typically written in languages like Solidity, Rust, or Vyper (a Python-based a…[Read more]
As a Web3.0 developer, understanding Ethereum is essential.
Ethereum is a decentralized software platform running on a network of computers. It ensures the replication and execution of small programs called Smart Contracts, which power decentralized applications (DApps).
While DApp backends differ significantly from traditional backends (as blockchain replaces centralized databases with decentralized data storage), many core technical principles remain the same.
Key Steps to Learn Backend Development
Understand how front-end and backend systems exchange data.
Learn essential skills:…[Read more]
Decentralized Applications (DApps) rely on a standard front-end built with vanilla JavaScript or popular frameworks like React, Vue, or Svelte. Before diving into DApp development, it’s essential to learn the fundamentals of front-end development and how the web operates.
Start with the b…[Read more]
To thrive as a Web3.0 developer, you must understand what blockchain is, how it works and why it’s set to revolutionize how we exchange goods and make payments.
Blockchain technology has evolved far beyond cryptocurrencies. It’s now a powerful, distributed cloud computing system capable of running entire bac…[Read more]
Before Web3.0 and Blockchain: Start with the Fundamentals of Computer Science
A skyscraper needs a solid foundation to stand tall—and the same applies to blockchain development.
Let’s be honest, blockchain is a challenging subject. Before diving into nodes, blocks and your learning roadmap, it’s essential to master the fundamentals of compu…[Read more]
