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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.
Smart ContractsSolidity 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 serve the purpose of reduc
Metana EditorialMarch 26, 2024Read
Smart ContractsUpgrading 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 (dApps).
Metana EditorialMarch 25, 2024Read
Smart ContractsCommon Solidity Security Vulnerabilities & How to Avoid Them
TL;DR: 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 processes witho
Metana EditorialMarch 25, 2024Read
Smart ContractsBest 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 great power come
Metana EditorialMarch 22, 2024Read
Smart ContractsSmart Contract Design Patterns in Solidity Explained!
TL;DR 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 contracts, the backbone of blockchain technology, share some similaritie
Metana EditorialMarch 13, 2024Read
Smart ContractsThe 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
Smart ContractsSolidity 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 of checking smart contracts for mistakes, called solidity mutation testing. This
Metana EditorialFebruary 28, 2024Read
Smart ContractsSolidity 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, you’ve been coding for hours, and you’re just about to deploy you
Metana EditorialFebruary 19, 2024Read
Smart ContractsWhat is the Solidity Console Log?
TL;DR Debugging Solidity smart contracts is crucial due to their immutable nature. Hardhat offers a console.log function, similar to JavaScript’s, allowing developers to print variables and messages directly from Solidit
Metana EditorialJanuary 24, 2024Read
Smart ContractsSolidity vs Rust: The Key Differences Explained
TL;DR 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 and comparison of Solidity vs Rust highli
Metana EditorialJanuary 3, 2024Read
Smart ContractsSolidity 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. Think of them as the tools that let you craft calculations, co
Metana EditorialDecember 20, 2023Read
Smart ContractsUnderstanding 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 JavaScript, and we use “functions” and “methods” a lot when
Metana EditorialNovember 28, 2023Read
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