Metana's Blog
Metana trains existing developers to be blockchain developers in a 4 month boot-camp program. Here you can read the latest of Web3 Blockchain, & Crypto.
Web3.js is a powerful library that unlocks the potential of interacting with the Ethereum blockchain and other Web3-compliant platforms. One of its core functionalities is
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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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How to Connect to Ethereum with Web3.js: Understanding Web3.js Library
Web3.js open up the huge power of Ethereum blockchain for developers. This JavaScript library let’s you talk with Ethereum, allowing you to interact with Ethereum’s
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Solidity Libraries and Inheritance: A Beginner’s Guide
Solidity, the programming language powering Ethereum smart contracts, offers robust tools for code reusability. Two key approaches dominate this landscape: inheritance and libraries. While both
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Upgrading Smart Contracts? Here’s All You Need To Know.
Smart contracts, the self-executing code on blockchains, have revolutionized various industries. They offer trust, transparency, and automation in transactions, forming the backbone of Decentralized Applications
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Common Solidity Security Vulnerabilities & How to Avoid Them
Solidity, the preeminent language for building smart contracts on the Ethereum blockchain and other platforms, empowers developers to create decentralized applications (DApps) that automate complex
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Best Practices for Smart Contract Testing & how to
Smart contracts, the self-executing code on blockchains, have revolutionized various industries. From decentralized finance (DeFi) to supply chain management, their potential is undeniable. However, with
Ethernaut Level 2 Walkthrough: Fallout
The Ethernaut Level 2 offers a fascinating glimpse into the vulnerabilities that can arise from seemingly minor oversights in smart contract development. This article takes
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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
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Top 10 Etherscan Alternatives in 2024
Etherscan has long served as the dominant block explorer for the Ethereum network. Its user-friendly interface and comprehensive data set have made it a valuable
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What is Front End Development? Essential Guide for Beginners
Dive into the world of front-end development, where the magic of your favorite websites unfolds! Have you ever stopped to think about why websites grab
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Smart Contract Design Patterns in Solidity Explained!
Imagine the early days of the Wild West. Untamed potential, a rush of opportunity, but also the risk of chaos without the proper tools. Smart
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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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How Hard Is It to Learn JavaScript?
Ever witnessed a tragicomedy unfold on a computer screen? Imagine someone fervently clicking a JavaScript-generated pop-up, only to spawn more pop-ups with every desperate click.
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The 10 Best Web3 Wallets to Secure Your Crypto Today
Hello, dear digital nomads and crypto enthusiasts! As we navigate the thrilling waves of the web3 world, it’s crucial to anchor our digital assets in
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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
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10 Best Online Resources to Learn JavaScript
Are you a full stack development enthusiast looking to enhance your JavaScript skills? Look no further! In this article, we will explore the top 10
Top 5 Python Libraries for Machine Learning
Machine learning libraries are like the magic spells of the programming world. With just a few lines of code, you can perform complex tasks, from
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Solidity Mutation Testing: Guide for Beginners
Imagine a world full of bugs and weird happenings, but we’re not talking about bugs you find under a rock—we’re diving into the cool world
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Will AI Replace Full Stack Developers? Discover the Truth
In the ever-evolving landscape of web development, there’s a shadow looming over the keyboard of every full-stack developer out there. It’s not the shadow of
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Can a Business Analyst Become a Software Engineer? Your Roadmap to Code!
Ever felt the call of the code? As a business analyst, you understand the “what” behind software, but maybe you’re yearning to unlock the “how.”
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How to Write a Successful Web3 Cover Letter?
Forget the tired old resume and cover letter combo. You’re ready to ditch the corporate suits and dive headfirst into the electrifying world of Web3.
Ethernaut Level 1 Walkthrough: Fallback
This Web3/Solidity-based wargame is akin to a hacking Capture The Flag (CTF) challenge, where each level presents a smart contract puzzle waiting to be ‘hacked’.
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Solidity Runtime Errors: A Beginner’s Guide
Ever found yourself staring at your computer screen, wondering if Solidity has a personal vendetta against you? You’re not alone. Picture this: It’s 2 AM,
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Modifying EVM Storage to Seed Token Balances in Testing
EVM (Ethereum Virtual Machine) storage refers to the permanent storage space within the Ethereum blockchain where smart contract data is stored. Each smart contract deployed
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NFTs in Gaming: From Pixels to Profits
Remember Squid Game? Imagine instead of deadly challenges, you competed for unique, tradable in-game NFTs. The loser wouldn’t get eliminated, they’d just have to sell
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What is Mobile Application Development & How You Can Do It?
Ever found yourself mindlessly scrolling through an app, only to realize it’s somehow glued to your hand? Yeah, me too. Mobile apps have sneakily become
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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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Web3 Protocols: A Beginner’s Guide
Did you know 80% of internet users are concerned about their online privacy? Web3 offers a solution, built on a foundation of powerful protocols. It’s
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Understanding Java Full Stack: A Beginner’s Guide
In today’s world, web development has become more complex and engaging, offering dynamic and responsive user experiences. This evolution has led to the emergence of
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10 Best Full Stack Frameworks: Guide for Beginners
In the tech world, full-stack developers are like all-in-one experts who can work on both the front and back ends of websites and apps, making
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What is Backend Development? A Beginner’s Guide
When we visit a website or use a mobile app, the smooth experience we enjoy—the rapid loading of pages, the instant retrieval of our data,
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What Is Decentralized Finance (DeFi) and How Does It Work?
Imagine a world where you have complete control over your finances, without relying on traditional banks or middlemen. This is the promise of Decentralized Finance
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10 Best Practices for Smart Contract Coding: Tips for Mastering Solidity
Solidity, the language powering Ethereum smart contracts, offers immense potential for building decentralized applications (dApps). However, the unique blockchain environment demands a different approach to
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Full Stack Confessions: The Expectation vs. Reality of Being a Developer
The role of a full stack developer is often seen as a great opportunity, promising the mastery of both front end and back end technologies.
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Guide to Top 5 Coding Bootcamps with Job Guarantee
Are you considering a career transition to web development or programming? If so, coding bootcamps with job guarantees can be an excellent option to fast-track
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Web3.js vs Ethers.js: The Key Differences
Have you ever wondered how innovative applications securely interact with the Ethereum blockchain? At the heart of this interaction are powerful tools known as Web3.js
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What Coding Language Should I Learn? 10 Best Coding Languages
Have you ever wanted to make your own website, app, or computer game? Or maybe you’re just curious about how these things are made. Well,
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What is the Solidity Console Log?
Debugging is super important when you make things using Solidity, a language for Ethereum smart contracts. Imagine building a LEGO structure, but once it’s built,
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What is a Tech Lead? All You Need To Know
In the fast-changing world of technology, understanding what is a Tech Lead– or a Technical lead becomes crucial, as their role is important yet often
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Best Coding Bootcamps 2024: Leading Online Programs Unveiled
Are you ready to kickstart your career in the tech industry? Coding bootcamps offer a fast and cost-effective way to gain the skills you need
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What is Software Engineering? Simplified Answers for Beginners
“What is Software Engineering?” This question is key to understanding the digital world we live in, where every website visit and app usage is shaped
10 Best Machine Learning Algorithms for Beginners
Machine learning algorithms are at the heart of modern artificial intelligence (AI). These powerful tools teach machines to learn from data, spot patterns, and make
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Software Engineer Skills: What It Takes to Excel in the Industry
The journey to becoming a successful software engineer is exciting and challenging. In today’s tech-driven world, this role is more than just coding; it’s about
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Are Full Stack Developers in Demand? Guide for 2024
As the digital world continues to evolve rapidly, many are asking, “Are full stack developers in demand?” The answer is a resounding yes. With technological
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Is Full Stack Development Hard? A Comprehensive Guide
Are you considering a career in full stack development? Do you find yourself wondering if it’s really as difficult as it seems? In this comprehensive
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What Are WebSockets and How Do They Work?
WebSockets have revolutionized web development, enabling real-time, bidirectional communication between clients and servers. WebSockets play a crucial role in the Web3 ecosystem by enabling real-time,
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[SOLVED] “evm: execution reverted” Error
Have you ever faced a sudden stop sign while navigating the Ethereum universe? Meet the execution reverted errors, the EVM’s way of keeping things in
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Full Stack Developer Salary: Guide for 2024
Did you know that the number of open full-stack developer jobs is growing 20% faster than the average for all occupations? That’s because they are
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Full Stack Developer vs. Software Engineer
In the exciting world of building software, you often hear about full stack developers and software engineers. They kind of seem similar but are actually
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What is Full Stack Development? A Beginner’s Guide
Websites and apps? You know, the ones you use every day? Building them involves two parts: what you see (the flashy graphics and buttons) and
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Solidity vs Rust: The Key Differences Explained
Blockchain technology has revolutionized the digital world, and at the forefront of this revolution are two key programming languages: Solidity and Rust. The ongoing debate
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What are Ethereum Gas Fees: A Comprehensive Guide
Struggling to grasp why your Ethereum transactions sometimes cost more than the transaction itself? You’re not alone in this crypto puzzle. Let’s simplify it. Ethereum
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Full Stack Developer Roadmap for 2024
Ever wonder how your favorite websites work? They’re not just pretty faces – they’re complex creations, and full-stack developers are the masterminds behind them. These
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Solidity Operators: A Comprehensive Guide
Operators are the mini-commands that make code come alive! They’re like special symbols that tell a computer what actions to perform on values and variables.
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Understanding Solidity Control Structures: A Comprehensive Exploration
Fear of loops and conditionals holding you back from building dApps? Imagine them as tiny switches controlling your smart contracts, like traffic lights guiding every
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13 Ultimate Open-Source Web3 Projects
Web3 is the new wave of the internet. Unlike our current Web2, Web3 allows direct interactions between different parties. This means there are no middlemen
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Canadian Government Fundings for Education: An Extensive Guide
In today’s rapidly changing job market, continuous learning and upskilling have become essential for individuals to stay competitive. Recognizing the importance of education and training,
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15 Common Web3 Interview Questions and Answers
Does Web3 seem like a complex term? There’s no need to fret, it merely represents the evolution of the internet into something more user-friendly and
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Understanding Solidity Methods: How They Differ from Functions
You probably already know about Solidity, right? It’s a programming language that helps us create smart contracts on the Ethereum network. It’s quite similar to
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Understanding Solidity Global Variables: Types and Uses
Solidity is a popular programming language for writing smart contracts on the Ethereum blockchain. In Solidity, global variables play a crucial role in the functioning
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Understanding Solidity Functions: Types and Use Cases
Solidity is a high-level programming language specifically designed for developing smart contracts on the Ethereum blockchain. In Solidity, functions are a fundamental building block, allowing
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How to Become a Web3 Developer in 2024
Web3 is a cool new thing that changes the internet to be fair for everyone, like magic! It lets you control your own data. Because
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10 Best Resources to Learn Blockchain Development
Blockchain development is the process of creating and maintaining blockchain-based applications and systems. Blockchain is a distributed ledger technology (DLT) that allows for secure, transparent,
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Solidity Variables: Types and Uses
Solidity is the most popular programming language for developing smart contracts on Ethereum. And just like in any programming language, Solidity variables play a crucial
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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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How to Make a Flash Loan Using Aave
Flash loans are a super cool new idea in the world of decentralized finance (DeFi). They let users borrow as much money as they want
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Zero Knowledge Proofs(ZK Proof): Unlocking the Secrets
Imagine a world where you can prove the truth of a statement without revealing any details about the statement itself. It sounds paradoxical, doesn’t it?
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What is an Oracle in Blockchain? A Complete Guide
An oracle in blockchain is like a helper that lets a blockchain network connect with other data sources or systems. It’s like a bridge between
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How to Create a DAO : A Comprehensive Guide
In the fast-paced world of digital tech, Decentralized Autonomous Organizations (DAOs) are changing how we think about organizations. A DAO is a group that runs
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Best GitHub Repositories for Web3 in 2023
Welcome to the amazing world of Web3 Projects GitHub. It’s a place full of new ideas and ways to change how the internet works. If
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Solidity Projects for Beginners : Building a Strong Foundation
Do you want to learn about blockchain development? Then Solidity is a great place to start! It’s the main language we use to create smart
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What is Layer 1 Blockchain and Why Does It Matter?
Blockchain technology is revolutionizing the way we think about data and trust. But what exactly is Layer 1 in blockchain, and why is it so
Scikit-Learn vs Tensorflow : Which One Should You Choose?
Ready for a face-off between two awesome machine learning tools? Let’s meet our players! In one corner, we have Scikit-learn, a super user-friendly tool that’s
Scikit-learn(sklearn) in Python : A Comprehensive Guide
Learn about machine learning with Scikit-learn (or sklearn for short), a tool that helps data scientists and people who love data. In today’s world, there’s
How to Use SkLearn (scikit-learn) in Java?
Sklearn also know as Scikit-learn is a widely used machine learning library in Python that offers a comprehensive set of tools and algorithms for data
How Do I Get a career in AI and Machine Learning?
Many people want to know, “How can I start a career in AI and Machine Learning?” These two areas are really popular right now. They
What is the Career Path in Artificial Intelligence?
In today’s technology-driven world, an intriguing question arises, “What is the career path in Artificial Intelligence (AI)?” AI, a field focused on empowering machines to
What is the Career Path for Machine Learning?
If you’re exploring the question, “What is the career path for Machine Learning?“, you’re at the threshold of a field brimming with vast potential. Machine
Is AI and Machine Learning a Good Career?
Have you ever wondered, “Is AI and Machine Learning a good career?” With the rapid advancements in technology, a career in Artificial Intelligence (AI) and
Can I Teach Myself To Be A Data Analyst?
The digital age has witnessed an exponential rise in the importance and applications of data analytics across numerous domains. As the demand for these skills
How Do I Start Studying To Become A Data Analyst?
If you’re asking yourself, “How do I start studying to become a Data Analyst?“, you’re on the threshold of an exciting career path. Data analysis
Is It Hard To Become A Data Analyst?
In today’s data-driven world, the demand for skilled data analysts is skyrocketing. But is becoming a data analyst as challenging as it seems? “Is it
What Qualifications Do I Need To Be A Data Analyst?
Introduction In today’s digital age, data analysis has emerged as a crucial driver of success for businesses and industries across the globe. With the exponential
Unsupervised Learning: Unleashing the Power of Data
What is Unsupervised Learning? Unsupervised learning is a type of machine learning where the algorithm learns from unlabeled data without any predefined target variable or
5 Best Deep Learning Courses to Learn in 2023
Ready to jump into the exciting world of artificial intelligence? You’re in the right place! In this article, we’re going to show you the 5
Deep Learning Models for Classification : A Comprehensive Guide
Classification is a fundamental task in many fields, from computer vision and speech recognition to medical diagnosis and fraud detection. The ability to accurately categorize
The 10 Biggest Advantages of Deep Learning
What is Deep Learning? Deep learning is a neat way that helps computers learn from lots of information. It’s a kind of machine learning, but
Support Vector Machine (SVM) Classifier in Python
Ready to make your machine learning projects even better? Let’s look at how to use a neat tool called a Support Vector Machine (SVM). SVMs
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Is the Metana Bootcamp Legit?
Looking to expand your knowledge and skills in blockchain development, AI & ML? With so many online courses and bootcamps available, it can be difficult
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Ultimate Guide for the Best Programming Language for Blockchain Development
Are you looking to dive into blockchain development but not sure which programming language to start with? Look no further! In this article, we’ll explore
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What is Ethereum 2.0 and How has it Changed the World?
Ever been annoyed by how slow a webpage loads? Or felt worried about making an online transaction because of safety issues? Well, Ethereum 2.0 is
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Software Developer Salary: What You Need to Know?
In today’s digital age, software developers hold the keys to a virtual world of endless possibilities. They’re the brilliant minds behind the apps we love,
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What is an Ethereum Virtual Machine (EVM) and How It Works?
What is a Virtual Machine (VM)? A virtual machine (VM) is a software program that creates a virtual computer within your physical computer. This virtual
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Vyper: Python-like Smart Contract Language
The world of smart contracts keeps changing, with new languages coming out all the time. Vyper is one of these new languages. It’s a lot
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The Rise of Web3 Memes: A New Way to Communicate in Crypto
What are Web3 memes? Web3 memes are a type of internet meme that is related to the Web3 movement. Web3 is a proposed new iteration
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Solidity: The Programming Language of Decentralized Applications
Solidity: What Is It? Solidity is a computer language that’s used to make smart contracts. Smart contracts are computer programs that run accounts on the
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What are Events in Solidity?
What are Solidity Events? Solidity events are a way for smart contracts to communicate with each other and with external applications. They allow developers to
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Testnet Ethereum: A Guide to Rinkeby, Goerli, and Sepolia
What is Testnet Ethereum? A testnet is a blockchain network that is used for testing purposes. It is a copy of the main Ethereum blockchain,
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Solidity Developer Job Description: Responsibilities, Salary & Requirements
Blockchain technology has changed the way we do transactions because it’s secure, can’t be changed, and is transparent. Solidity is a programming language that was
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5 Web3 Courses to Try in Coursera
Web3 coursera courses can help you have an opportunity into the web3 industry. As blockchain technology gains popularity, there is a greater need for qualified
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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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Require, Assert, and Revert: Solidity Error Handling Methods
How Error Handling is Handled in Solidity Code? Solidity, an object-oriented programming language used for implementing smart contracts on Ethereum and other blockchains, provides several
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5 Best Web3 Solidity Courses To Get Started On Development
The world of web development is constantly evolving, and with the rise of web3 technologies, it has never been more exciting. Web3 refers to the
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Top Rare Skills in Web3 Right Now
Introduction to Rare Skills The new version of the Internet, called Web3, is bringing lots of fresh and exciting changes. It lets us make apps
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ChatGPT x Solidity x AIPRM: Extension for Learning Solidity and Generate Smart Contracts.
Cryptocurrency and blockchain technology have been steadily gaining popularity in recent years, and as a result, there has been an increased demand for developers with
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Python, JavaScript, and Solidity: Learning Programming Languages for Ethereum Development
Introduction Ethereum development is rapidly emerging as a much sought-after skill in the programming and blockchain landscape. As an aspiring Ethereum developer, it is essential
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How To Find Solidity Developer Jobs & Get Hired?
Introduction With the prominence of blockchain technology and the explosive growth of decentralized applications (dApps) and decentralized finance (DeFi), the demand for skilled Solidity developers
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Solidity Developer Salary in 2024: Are They Getting Paid Well?
Solidity is one of the most important programming languages of the future. As the world continues to move towards a decentralized economy, Solidity plays a
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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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What are the Best Web3 Solidity Bootcamps?
In today’s digital age, blockchain technology has revolutionized the way we interact and conduct business. It has brought about a secure and decentralized method of
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Is Solidity Hard to Learn?
We at Metana, believe that the learning Solidity programming language is essential for building decentralized applications (dApps) on the Ethereum blockchain. It is a high-level
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Step by Step: How To Start Learning Web3
Due to the high salaries of web3 developers in the blockchain sector, many aspiring and seasoned web2 developers aim to learn web3 development. According to
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How to Buy Land in the Metaverse
The Origin Story of “Metaverse” Before we get into How to buy land in the Metaverse, Let’s look at how it started. A science fiction
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Step-by-step guide to install and setup Metamask Wallet
Why Use MetaMask? MetaMask allows interactions between the Ethereum blockchain and a crypto wallet. While it defaults to the Ethereum network, other EVM-compatible chains can
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Vitalik Buterin: The Man Behind Ethereum
Last year, on a YouTube video posted by Ashton Kutcher and Mila Kunis, titled, “Kitchen Talks”, a trivial question was asked by Ashton, “What is
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ETHEREUM VS ETHEREUM CLASSIC (ETH vs ETC)
If you’re wondering why there are two coins with the same name, as I did, you should know that Ethereum classic was created from Ethereum
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Major Applications of the Blockchain
Amidst the hue and cry of the crypto crash this year, which has been infamously coined “The Bear Market,” a lot of engineers have been
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Why become a Blockchain Developer? and What’s in it for you
340000 USD. Pretty big number right? It might be an eye-watering amount for some of us. However, according to the fine folks at Web3.careers, this
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What is the difference between BEP-20 and ERC-20?
Difference between BEP-20 and ERC-20 ERC-20 and BEP-20 are token standards that define technical guidelines and specifications for tokens. These standards specify all methods of
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What is a smart contract? — Understand contracts on the blockchain
Smart-contract in blockchain Blockchain is widely considered to be a speculative good thing, made famous by Bitcoin. But the underlying technology is more interesting in
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Technical roles within the blockchain web3 Industry
You may question what are the technical roles in the blockchain web3 Industry. There are a range of positions, and knowing what each one entails
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Web3 starter pack 🏄🏾♂️ : Crypto basics
So in our previous post we covered what is web3 so today lets talk about Crypto basics. What is a blockchain? Blockchain is an immutable,
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How much can blockchain developers actually make? 💰
Blockchain Developer: The most hyped job in 2022. A Blockchain developer is a highly skilled individual who can efficiently code for designing, developing, and testing blockchain
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Why Learn Solana? Is it worth it?
Solana is now the fourth-biggest cryptocurrency in the world, but what does the future look like for blockchain developers. Should you learn Solana right now?
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Web3 Books for Understanding Blockchain in Historical Context on Web3
The web3 world is strange, crazy, and unpredictable. There are a lot of new jargon, discord talks that move quickly, and blocky pseudonyms. How do
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How Does the Blockchain Work? Blockchain technology explained in simple words
Everything you need to know about Blockchain, How the Blockchain system works, the security of the network, Blockchain Ledger, Bitcoin Mining in simple words Blockchain
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Web3: in a nutshell
This amazing post was originally posted by Eshita here. To understand Web3, let’s go through the features of Web1 and Web2. Web1: Read-Only The internet
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