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The Metana Blog

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Web3.0 articles.

Guides, tutorials and explainers on Web3.0 from Metana's instructors and editorial team.

Web3.0

What Is the Difference Between Optimistic and ZK-Rollups

Ethereum’s popularity has surged over the years, but its scalability issues have led to high gas fees and slower transaction speeds. To address this, Layer 2 scaling solutions like rollups have emerged, offering a way…

Metana EditorialFebruary 10, 2025Read
Web3.0

Smart Contract Wallets: The Future of Secure and Automated Transactions

With the rise of blockchain technology, digital asset management has become more secure and efficient. Smart contract wallets are transforming how users store, transfer, and interact with cryptocurrencies by leveraging…

Metana EditorialFebruary 7, 2025Read
Web3.0

How Do Optimistic Rollups Work: A Beginner-Friendly Guide

TL;DR Optimistic Rollups scale Ethereum by processing transactions off-chain , reducing gas fees and congestion while maintaining security. They assume transactions are valid unless challenged, with a 7-day fraud-proof…

Metana EditorialFebruary 6, 2025Read
Web3.0

Gaming with Smart Contracts: Rewards and Ownership Made Simple

Why Are Smart Contracts Changing Gaming? Imagine playing a game where you truly own your in-game items, and rewards are handed out automatically and fairly—without needing to trust the developers. That’s exactly what…

Metana EditorialFebruary 4, 2025Read
Web3.0

NFT Smart Contracts & NFT Programming

NFTs (Non-Fungible Tokens) have taken the digital world by storm, changing how we perceive ownership of art, music, gaming assets, and even real estate. But behind every successful NFT lies a smart contract —the…

Metana EditorialJanuary 30, 2025Read
Web3.0

What is Web3 Gaming? A Simple Guide for Beginners

Gaming has come a long way—from simple arcade games to massive online multiplayer experiences. But now, we’re entering an entirely new era: Web3 Gaming . Imagine playing a game where the items you own—like characters,…

Metana EditorialJanuary 27, 2025Read
Web3.0

How Relayers in Decentralized Communication Make Blockchains Talk to Each Other

In the evolving landscape of blockchain technology, Relayers play a pivotal role in ensuring seamless communication and interaction between different blockchains. These components are vital for enabling decentralized…

Metana EditorialDecember 23, 2024Read
Blockchain

NFT Auctions: Changing How We Buy, Sell, and Own Digital Assets

NFT (Non-Fungible Token) auctions are revolutionizing how we buy, sell, and own digital assets. From artwork and music to virtual real estate and collectibles, NFTs are reshaping industries and empowering creators like…

Metana EditorialDecember 22, 2024Read
Web3.0

What is Solscan and How to Use It

TL;DR Comparison with Alternatives: Solscan stands out for its intuitive interface and comprehensive analytics compared to the Official Solana Explorer and Solana.FM. What is Solscan? Solscan is a user-friendly…

Metana EditorialDecember 14, 2024Read
Web3.0

How to Add Solana to Metamask [Beginners' Guide]

MetaMask has become one of the most popular cryptocurrency wallets for managing digital assets across Ethereum and other EVM-compatible networks. However, Solana, one of the largest and most popular blockchain…

Metana EditorialDecember 13, 2024Read
Web3.0

Understanding Geth Node [Simplified Guide]

TL;DR: Geth (Go Ethereum) is a widely used Ethereum client written in Go, enabling users to run nodes on the Ethereum network. Geth nodes validate transactions, broadcast new transactions, execute smart contracts, and…

Nilupul WeerasingheDecember 6, 2024Read
Web3.0

Web3 Usernames Explained: Uni.eth Makes Crypto Easy

In the fast evolving world of Web3, improving user experience has now become a big priority. One new way to make things easier is using Web3 usernames . Instead of having to work with long, complicated wallet addresses,…

Metana EditorialNovember 19, 2024Read

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