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The Metana Blog

Guides, tutorials & career tips.

Expert-written guides on Full-Stack Development, Web3, AI, Data, and Cybersecurity — built for aspiring engineers and tech professionals ready to level up.

Solidity

Time Units in Solidity: Simplified Guide

Welcome to the fascinating world of smart contracts, where lines of code dictate financial agreements and automate complex processes. But what about time? How do we ensure actions happen at the right moment within a smar

Metana EditorialJune 14, 2024Read
Blockchain

Oracles and External Data: Boosting Smart Contract Utility

Imagine a program that relies on stock prices to make investment decisions. It checks its internal database, but the information is outdated. The program is stuck, unable to function effectively. This is where oracles co

Metana EditorialJune 9, 2024Read
Blockchain

What is a dApp? Decentralized Applications Simplified

We all rely on apps in our daily lives – for social media, shopping, banking, and more. But have you ever considered who controls these apps and how they operate? Traditional apps run on centralized servers, owned and ma

Metana EditorialJune 4, 2024Read
Web3.0

How to Launch a Web3 Project Successfully

Web3 is an exciting and closely-knit space filled with prospects, where users gain ownership and change ways of interacting online. If you have an outstanding concept to share and align with the increasing development in

Metana EditorialMay 29, 2024Read
Web3.0

Metana Reviews: Grads Share Their Journeys

Metana’s Bootcamp is rewriting the rules of blockchain education by focusing on personal growth and providing each and every student with the skills, industry connections, and confidence needed to succeed in the fast-cha

Metana EditorialMay 17, 2024Read
Blockchain

Ethereum Gas Station Network (GSN)

Imagine you walk into a fancy restaurant, eager to try their new menu. But before you can even glance at the dishes, the waiter informs you that you need a special token to order – a token you need to buy with actual cas

Metana EditorialMay 11, 2024Read
Blockchain

Understanding Chainlink and Solidity Integration for Better dApp Development

Blockchain technology is really innovative, and smart contracts are a big part of that. Smart contracts are like automatic agreements that run themselves, but they have a problem: they can’t interact with the outside wor

Metana EditorialApril 9, 2024Read
Web3.0

Web2 vs. Web3: What’s the Difference? [The Breakthrough]

Remember that strange feeling when an ad pops up for that exact pair of shoes you just peeked at online? Web2, the internet we know today, thrives on personalization, but at what cost? Our data, from browsing habits to s

Metana EditorialMarch 20, 2024Read
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 (for Polygon), FTMScan (f

Metana EditorialMarch 19, 2024Read
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 the web3 world, and for good reason. Imagine a club where eve

Metana EditorialMarch 12, 2024Read
Smart Contracts

The 10 Best Web3 Wallets to Secure Your Crypto Today

TL;DR Web3 wallets store and manage crypto, NFTs, and connect to dApps. Types: Top Picks for Beginners: Security Tips: As the digital landscape shifts toward decentralization, Web3 wallets have become an essential tool f

Metana EditorialMarch 7, 2024Read
Jobs

Codecademy vs. Metana’s Job-Guaranteed Path: Launch Your Web3 Career

The world of web3 is booming, and many are eager to jump in and build the future of the internet. One of the most crucial steps in this journey is acquiring the necessary skills. As you explore your options, you’ve likel

Metana EditorialMarch 6, 2024Read

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