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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.
Blockchain8 Essential Tips for Beginners Integrating NFTs with OpenSea API
TL;DR Get an OpenSea API key, read the docs, and start with simple NFT data fetches (like assets or collections). It’s a read-only API—no minting. Structure your metadata well, handle wallets securely, watch rate limits,
Metana EditorialApril 8, 2025Read
Full-StackThe Ultimate Guide to JavaScript Proxy
JavaScript proxy is a game-changer in web development, offering developers unprecedented control over object behaviour. Whether you’re intercepting operations, implementing security layers, or enhancing performance, unde
Metana EditorialApril 7, 2025Read
Full-StackUnderstanding JavaScript Reflect: A Deep Dive
TL;DR JavaScript is a versatile programming language with numerous powerful tools and features that help developers manage and manipulate objects. One such tool is JavaScript Reflect, a built-in object that offers method
Metana EditorialApril 7, 2025Read
Web3.0What is Ethereum’s Pectra Upgrade?
TL;DR: Ethereum’s Pectra upgrade is set to be one of the most transformative upgrades in the network’s history. With a focus on improving efficiency, scalability, and overall usability, Pectra combines two major componen
Metana EditorialApril 4, 2025Read
JobsNo Experience Remote Jobs: 9 Reasons to Consider
TL;DR Dreaming of working in your pyjamas, coffee in hand, tapping away from the comfort of your living room? You’re not alone. No experience remote jobs have exploded in popularity—and so has the competition. For every
Metana EditorialApril 4, 2025Read
BlockchainSmart Contract Auditing for DeFi: Why It’s Crucial
TL;DR Decentralized Finance (DeFi) relies on smart contracts to enable secure, trustless financial transactions. However, vulnerabilities in smart contracts can lead to devastating hacks, financial losses, and a loss of
Metana EditorialApril 3, 2025Read
BlockchainMakerDAO and DAI: How Stablecoins Power DeFi
TL;DR Decentralized Finance (DeFi) is revolutionizing the financial industry by offering an alternative to traditional banking. At the heart of this transformation is MakerDAO and DAI: How Stablecoins Power DeFi. Stablec
Metana EditorialApril 3, 2025Read
EventsGame Time: The Binary Holdings x Metana Hackathon
TL;DR The Binary Holdings invites developers worldwide to the Game Time Hackathon, aiming to integrate Web3 decentralized applications (dApps) into popular telecom apps across Indonesia and the Philippines. Participants
Metana EditorialApril 2, 2025Read
EventsWhat is a GameFi Hackathon? [Explained]
At its core, GameFi is the convergence of gaming and decentralized finance (DeFi), offering players the opportunity to earn cryptocurrency or NFTs through in-game achievements. Unlike traditional games, where players spe
Metana EditorialApril 1, 2025Read
BlockchainDeFi Lending Risks: Smart Contracts, Liquidations, and Volatility
TL;DR Decentralised finance (DeFi) has quickly become a revolutionary force in the financial world, offering opportunities to earn, lend, and borrow without intermediaries. However, while these services are transforming
Metana EditorialApril 1, 2025Read
BlockchainWhat is Collateralized Debt Position (CDP) in DeFi?
TL;DR In the fast-evolving world of decentralized finance (DeFi), Collateralized Debt Positions (CDPs) have become a crucial tool for borrowing and creating stablecoins like DAI. These innovative mechanisms allow users t
Metana EditorialMarch 31, 2025Read
BlockchainBlockchain in Different Industries: Transforming the Future
TL;DR In this article, we explore the impact of blockchain in different industries and its long-term benefits. Blockchain technology is rapidly transforming various industries by enhancing security, transparency, and eff
Metana EditorialMarch 31, 2025Read
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