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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.
BlockchainLow Level Call vs High Level Call in Solidity [Simplified]
TL;DR Solidity contracts interact with other contracts using high-level calls (via interfaces) or low-level calls (call, delegatecall, staticcall). Key Differences: Best Practices: In Solidity, contracts can interact wit
Metana EditorialMay 17, 2024Read
BlockchainEthereum 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
BlockchainSolidity and zk-SNARKs: The Dynamic Power Duo
Imagine a super secure way to store information and run programs on the internet, like a giant digital record keeper everyone can trust. That’s what blockchains are. But right now, blockchains struggle with two things: k
Metana EditorialMay 5, 2024Read
BlockchainDAO Treasury Management
Decentralized Autonomous Organizations (DAOs) are reshaping collaboration, but managing their treasuries requires specialized knowledge. This guide will take you through the secrets of effective DAO treasury management,
Metana EditorialMay 2, 2024Read
BlockchainThe Rise of Layer 2 Solutions
Blockchains, the revolutionary technology underpinning cryptocurrencies and decentralized applications (dApps), have a fundamental challenge: SCALABILITY. As these networks gain traction and user adoption increases, thei
Metana EditorialApril 30, 2024Read
BlockchainWhy Do People from Other Fields Succeed in Blockchain?
Blockchain, the underpinning system for recording information, has become more than just the basis for cryptocurrency. Blockchain is a system of recording information in such a manner that it makes information almost imp
Metana EditorialApril 24, 2024Read
BlockchainHow to Create a Decentralized Exchange (DEX) Using Solidity
TL;DR A Decentralized Exchange (DEX) allows peer-to-peer trading without intermediaries. To build a basic DEX using Solidity, key components include: Steps to build: Enhancements include LP token functionality, oracle in
Metana EditorialApril 22, 2024Read
BlockchainHow to Create a Token with Solidity
Discover how to create an ERC-20 token with Solidity step-by-step—from setting up your environment to writing, testing, and deploying on Ethereum. Whether you’re a beginner or seasoned dev, this guide makes token develop
Metana EditorialApril 19, 2024Read
BlockchainEasy Guide to Solidity and IPFS Integration: Improving Blockchain Apps
The world of blockchain technology is full of new and exciting ideas. Blockchains are great because they are very secure and can’t be easily changed, but they don’t have a lot of space to store information. That’s where
Metana EditorialApril 10, 2024Read
BlockchainUnderstanding 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
BlockchainImplementing Oracles in Solidity: Enhance Contract Reliability
Solidity, the programming language for Ethereum smart contracts, excels at automating tasks and enforcing complex logic within the secure confines of the blockchain. However, smart contracts by themselves operate in a cl
Metana EditorialApril 4, 2024Read
BlockchainNFT Marketplace Development with Solidity: Essential Guide
TL;DR: Solidity, the programming language specifically designed for Ethereum Virtual Machine (EVM), plays a pivotal role in building robust NFT marketplaces. This article explains, NFT marketplace development using Solid
Metana EditorialApril 3, 2024Read
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