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Tag: blockchain

Web3 vs blockchain
Blockchain

What Is The Difference Between Web3 and Blockchain?

Blockchain and Web3 are often mistaken for the same thing, but they are not. Blockchain is the foundation, a decentralized ledger that records and secures data. Web3 is the bigger vision, a user owned internet that combines blockchains, smart contracts, decentralized storage, and new digital economies. In this article, we explain the 13 key differences between Web3 and blockchain, from scope and architecture to governance, interoperability, and future potential. Whether you are a developer, an investor, or simply curious about emerging technology, this guide will help you understand how these two concepts connect to shape the future of the digital world.

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Metana Editorial September 23, 2025
Blockchain and AI 2025
AI & Machine Learning

Blockchain and AI: Beginner Guide 2025

TL;DR
Blockchain is a decentralized, secure digital ledger used in crypto, DeFi, NFTs, and more. It’s driving high-growth tech careers in 2025, including developers, analysts, and architects. AI and blockchain are merging, enabling smarter contracts, secure data, and transparent automation.
New hybrid roles like AI Blockchain Engineer and Smart Contract Auditor with AI are emerging.

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Metana Editorial July 1, 2025
Blockchain

JavaScript Hoisting [Explained]

TL;DR JavaScript hoisting is one of those concepts that confuses developers—especially beginners. Many assume that JavaScript moves declarations to the top, but the reality is

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Metana Editorial March 10, 2025
Blockchain

Best Cryptocurrencies to Invest

Cryptocurrencies are digital currencies secured by cryptography and exchanged on decentralized networks without the need for banks or central authorities. Transactions occur between digital wallets

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Metana Editorial January 27, 2025
Smart Contracts

Interoperability in Smart Contracts

Smart contracts have transformed the execution of digital transactions and agreements by offering a secure, automated, and tamper-proof solution for managing complex workflows. However, their

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Metana Editorial January 24, 2025
Blockchain

How to Conduct A Research on Blockchain

Blockchain has changed many industries with decentralized, transparent and secure data storage and transaction systems. It’s spread from finance and supply chains to healthcare and

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Metana Editorial December 19, 2024
Web3.0

What is Solscan and How to Use It

TL;DR The Solana blockchain is one of the most dynamic and innovative ecosystems in the cryptocurrency world, offering unparalleled speed and scalability. However, navigating this

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Metana Editorial December 14, 2024
Blockchain

What are Real World Assets (RWAs)

The concept of Real World Assets (RWAs) has gained significant attention as blockchain technology and decentralized finance continue to grow. Real World Assets serve as

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Metana Editorial November 13, 2024
Web3.0

What are EVM Compatible Blockchains?

Blockchain technology has evolved rapidly, introducing new platforms and features aimed at expanding decentralization and enhancing scalability, security, and performance. The Ethereum Virtual Machine (EVM)

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Metana Editorial October 4, 2024
Web3.0

What is ETHDenver?

ETHDenver is an important Ethereum and blockchain community event that takes place every year in Denver, Colorado. This is known as the world’s largest and

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Metana Editorial October 1, 2024
Full-Stack

How Similar Are JavaScript and Solidity?

JavaScript and Solidity are both high-level programming languages widely used in their respective domains. While JavaScript dominates the web development world, Solidity is the most

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Metana Editorial September 21, 2024
Smart Contracts

Easy Guide to Converting Wei to Gwei

Blockchain technology is continuously growing to become one of the most transformative forces in the digital world. In the Ethereum blockchain, transactions and computations involve

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Metana Editorial September 19, 2024
Solidity

What is the Solidity Compiler?

The Solidity compiler is the essential tool that converts high-level Solidity code into a format that the Ethereum Virtual Machine (EVM) can understand. Whether you’re

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Marko Jauregui September 17, 2024
Solidity

What is Solidity: A Simplified Guide

Solidity is a high-level, object-oriented programming language designed for implementing smart contracts, which have become one of the most transformative innovations of our time. These

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Metana Editorial September 5, 2024
Ethernaut Walkthrough

Ethernaut Level 20 Walkthrough: Denial

Ethernaut Level 20: Denial focuses on a vulnerability related to denial-of-service (DoS) attacks. In this article, we’ll break down the Denial contract, identify its vulnerabilities,

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Georgi Plamenov July 31, 2024
Smart Contracts

Mixed Accounting in Smart Contracts

Web3 is ushering in a new era of financial applications, blending traditional finance (TradFi) with decentralized finance (DeFi). Many projects straddle this line, requiring a

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Metana Editorial June 29, 2024
Smart Contracts

Oracle Dependence in Smart Contracts

Web3 applications represent the cutting edge of decentralization, but they do not operate in isolation. These applications require real-world data to function effectively, and this

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Metana Editorial June 28, 2024
Smart Contracts

Reentrancy Attack in Smart Contracts

In a traditional transaction, one party sends funds to another in exchange for goods or services. This exchange typically follows a well-defined sequence of steps.

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Metana Editorial June 21, 2024
Blockchain

Exploring the Mempool: A Deep Dive

Have you ever sent a cryptocurrency payment and felt like it’s taking forever to confirm? You’re not alone. Unlike swiping your debit card, crypto transactions

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Metana Editorial June 18, 2024
Ethernaut Walkthrough

Ethernaut Level 9 Walkthrough: King

In this challenge, we’ll dive into smart contracts’ payment vulnerability and essential security practices to prevent such issues. By the end of ethernaut level 9,

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Vinh Tran May 20, 2024
Ethernaut-Level-8-Walkthrough-Vault
Ethernaut Walkthrough

Ethernaut Level 8 Walkthrough: Vault

Ethernaut challenges, akin to a hacking Capture The Flag (CTF) for Web3 enthusiasts, provide an immersive platform to explore Ethereum and Solidity programming. Each challenge

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Rupam Roychoudhury May 19, 2024
Blockchain

What are Web3.js Providers [Explained]

Web3.js, a popular JavaScript library, empowers developers to build decentralized applications (dApps) that interact with blockchains. But how do these dApps actually connect to the

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Metana Editorial March 28, 2024
Web3.0

Top 10 Etherscan Alternatives in 2025

TL;DR Etherscan is the leading Ethereum block explorer, but alternatives offer unique features and specialized functionalities. Top options include BscScan (for Binance Smart Chain), Polygonscan

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Metana Editorial March 19, 2024
Web3.0

How Does a DAO Work?

Have you stumbled upon the acronym DAO and scratched your head in confusion? You’re not alone. Decentralized Autonomous Organizations are the new hot topic in

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Metana Editorial March 12, 2024
Web3.0

5 Best Web3 Development Bootcamps

Ah, the world of Web3! It’s vast, it’s exciting, and it’s… slightly overwhelming, isn’t it? If you’re feeling lost in the sea of Web3 bootcamps,

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Metana Editorial February 12, 2024
How-to-Write-Solidity-Smart-Contracts
Blockchain

How to Write Solidity Smart Contracts

Smart contracts are like digital wizards—self-executing agreements with predefined rules, all meticulously encoded. They’re the enchanting core of blockchain technology, promising a world of transparency

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Ali Kanso October 19, 2023
Blockchain

What are Events in Solidity?

TL;DR: What are Solidity Events? Solidity events are a way for smart contracts to communicate with each other and with external applications. They allow developers

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Metana Editorial July 12, 2023
Blockchain

Smart Contract ABI: What is it?

What is Smart Contract ABI? A smart contract ABI, or Application Binary Interface, is a standard way to interact with smart contracts in the Ethereum

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Metana Editorial May 16, 2023
Smart Contracts

Can I learn Solidity for free?

Solidity is a high-level programming language that is primarily used to develop smart contracts on the Ethereum blockchain. It is a powerful tool for creating

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Metana Editorial March 17, 2023

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