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The Metana Blog
Meet our authors →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.
Full-StackWhat is a User Persona and How to Create One
TL;DR: A user persona is a fictional, research-based profile that represents your ideal customer. It helps your team focus on real user needs, behaviors, and goals. To create a persona: - Give Them a Name and Picture –…
Metana EditorialApril 17, 2025Read
Full-StackWhy Web2 Isn't Dead Yet?
TL;DR Web2 is not dead because it offers a mature infrastructure with scalable solutions, high-quality user experiences, and established business models. While Web3 promises decentralization and transparency, Web2 is…
Metana EditorialApril 16, 2025Read
Full-StackGet Unique Values from an Iterator in JavaScript
TL;DR JavaScript iterators return a sequence of values, which may contain duplicates. You can use a Set to easily get unique values by filtering out duplicates. A Map can be used if you need to track the number of…
Metana EditorialApril 11, 2025Read
BlockchainWhat is Base Crypto: Coinbase’s Ethereum Layer 2 Solution
TL;DR Base is an Ethereum Layer 2 network designed to improve scalability, reduce transaction fees, and enhance transaction speed using optimistic rollups. It is fully compatible with Ethereum’s Virtual Machine (EVM),…
Metana EditorialApril 9, 2025Read
Full-StackMastering JavaScript Generators: A Deep Dive
TL;DR JavaScript generators allow you to pause and resume function execution using the yield keyword. They’re ideal for handling large datasets and asynchronous operations in an efficient way. Generators simplify code…
Metana EditorialApril 8, 2025Read
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…
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,…
Metana EditorialApril 7, 2025Read
Full-StackUnderstanding JavaScript Reflect: A Deep Dive
TL;DR JavaScript Reflect simplifies object manipulation with methods like Reflect.get() and Reflect.set() . It provides a consistent and predictable way to work with object properties, methods, and metadata.…
Metana EditorialApril 7, 2025Read
JobsNo Experience Remote Jobs: 9 Reasons to Consider
TL;DR Remote-first companies want self-starters, not just anyone who can use Zoom. Sending the same generic CV won’t work—tailor it for remote readiness. Stop relying on LinkedIn; remote job boards are your new best…
Metana EditorialApril 4, 2025Read
Web3.0What is Ethereum’s Pectra Upgrade?
TL;DR : Ethereum Pectra Upgrade improves Ethereum’s scalability and efficiency, combining Prague (execution) and Electra (consensus) layers. Key EIPs : EIP-7702 : Adds smart contract features to EOAs (gas flexibility,…
Metana EditorialApril 4, 2025Read
BlockchainSmart Contract Auditing for DeFi: Why It’s Crucial
TL;DR Smart contract audits protect user funds and prevent costly DeFi hacks. Audited projects attract more investors and ensure regulatory readiness. Common DeFi attacks include reentrancy, flash loan exploits, and…
Metana EditorialApril 3, 2025Read
BlockchainMakerDAO and DAI: How Stablecoins Power DeFi
TL;DR Challenges include collateral volatility and regulatory concerns, but DAI's future in DeFi remains strong. MakerDAO is a decentralized protocol that governs DAI, a stablecoin pegged to the U.S. dollar. DAI…
Metana EditorialApril 3, 2025Read
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