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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.
BlockchainWhat is AfriTokeni and How it was Built
How does blockchain create real financial impact? This story follows a veteran software architect who used enterprise-grade Solidity skills to build Afritokeni, a bridge between mobile money and DeFi in Africa. Learn why
Metana EditorialJanuary 7, 2026Read
BlockchainWhat is an Ethereum Virtual Machine (EVM) and How It Works? (Updated)
The Ethereum Virtual Machine (EVM) powers smart contracts and dApps on Ethereum. This guide explains how the EVM works, how it executes bytecode, manages gas, secures transactions, and evolves through major upgrades like
Metana EditorialNovember 24, 2025Read
BlockchainWhat are Events in Solidity?
Choosing the right programming language depends on what you want to build and the career path you want to follow. This guide explains the strengths of popular options like Python, JavaScript, Java, Go, Rust and Swift, an
Metana EditorialNovember 20, 2025Read
BlockchainWeb3 Solidity Projects for Beginners : Building a Strong Foundation
Solidity is the main programming language for creating smart contracts on the Ethereum blockchain. This article covers Solidity projects for beginners like the “Hello, World!” contract, token sale contracts, voting syste
Metana EditorialNovember 7, 2025Read
BlockchainHow to Make NFT Art for Free: Step-by-Step
Create a free NFT on OpenSea or Rarible using lazy minting with no gas fees upfront. Set up MetaMask, connect your wallet, upload PNG, GIF, or WEBP art, and list instantly. The buyer pays minting costs upon purchase. Per
Metana EditorialOctober 30, 2025Read
BlockchainWhat Is LayerZero OFT Standard? A Beginner’s Guide
If you’ve ever wondered how to use the same token seamlessly across multiple blockchains, LayerZero’s Omnichain Fungible Token (OFT) standard is the answer. It eliminates the need for wrapped tokens and bridges by mainta
Metana EditorialOctober 29, 2025Read
BlockchainWhat Skills do I Need to Become a Successful Blockchain Analyst?
According to Metana’s expertise as a leading blockchain education platform, top blockchain analysts stand out by blending technical knowledge with industry insight and strong communication skills. This article highlights
Metana EditorialOctober 21, 2025Read
BlockchainLayer 3 Blockchain: What is it and how does it work
Layer 3 blockchain is the application layer built atop Layer 1 and Layer 2, providing specialized features for distinct use cases. Layer 1 blockchains like Ethereum and Bitcoin offer foundational security and consensus,
Metana EditorialOctober 14, 2025Read
BlockchainHow To Add Polygon Network to Metamask Wallet (MATIC)
Adding Polygon network to your MetaMask wallet is quick and easy. Simply click “Add Network,” enter the official RPC URL, Chain ID 137, and symbol MATIC. Once configured, you’ll unlock access to low cost transactions, De
Metana EditorialOctober 13, 2025Read
Blockchain8 Best Blockchain Books That You Must Read In 2026
When it comes to learning blockchain at a deeper level, continuous focus and understanding are crucial. However, when someone decides to dive into blockchain, they often struggle with where to begin or which resources tr
Metana EditorialOctober 1, 2025Read
BlockchainWhat Is The Difference Between Web3 and Blockchain?
Blockchain and Web3 are related but not the same. Blockchain is a decentralized ledger that records and secures data, while Web3 is a user-owned internet combining blockchains, smart contracts, decentralized storage, and
Metana EditorialSeptember 23, 2025Read
BlockchainRunning Your Own Node? Here’s What You Should Know
Running your own blockchain node means directly interacting with the network, enhancing security and privacy by eliminating third-party reliance. Full nodes validate all transactions and maintain the blockchain’s integri
Metana EditorialSeptember 11, 2025Read
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