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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 are Ethereum Gas Fees: A Comprehensive Guide
TL;DR: Ethereum gas fees are payments for the computational work needed to process transactions on the Ethereum network. They vary based on gas price (cost per unit, in Gwei) and gas limit (maximum units allocated per tr
Metana EditorialJanuary 1, 2024Read
Smart ContractsSolidity Operators: A Comprehensive Guide
Operators are the mini-commands that make code come alive! They’re like special symbols that tell a computer what actions to perform on values and variables. Think of them as the tools that let you craft calculations, co
Metana EditorialDecember 20, 2023Read
JobsCanadian Government Fundings for Education: An Extensive Guide
TL;DR In today’s rapidly changing job market, continuous learning and upskilling have become essential for individuals to stay competitive. Recognizing the importance of education and training, the Canadian government of
Metana EditorialDecember 8, 2023Read
Jobs15 Common Web3 Interview Questions and Answers
Does Web3 seem like a complex term? There’s no need to fret, it merely represents the evolution of the internet into something more user-friendly and privacy-focused. With this new phase of the internet, Web3, gaining mo
Metana EditorialDecember 2, 2023Read
Smart ContractsUnderstanding Solidity Methods: How They Differ from Functions
You probably already know about Solidity, right? It’s a programming language that helps us create smart contracts on the Ethereum network. It’s quite similar to JavaScript, and we use “functions” and “methods” a lot when
Metana EditorialNovember 28, 2023Read
Smart ContractsUnderstanding Solidity Global Variables: Types and Uses
Solidity is a popular programming language for writing smart contracts on the Ethereum blockchain. In Solidity, global variables play a crucial role in the functioning of smart contracts. These variables provide importan
Ali KansoNovember 7, 2023Read
Smart ContractsUnderstanding Solidity Functions: Types and Use Cases
TL;DR Solidity is a high-level programming language specifically designed for developing smart contracts on the Ethereum blockchain. In Solidity, functions are a fundamental building block, allowing developers to define
Ali KansoNovember 1, 2023Read
JobsHow to Become a Web3 Developer: Roadmap for Web3 Beginners
Web3 is a cool new thing that changes the internet to be fair for everyone, like magic! It lets you control your own data. Because of this, people who know how to use Web3 are now super important. If you’re someone who
Metana EditorialOctober 26, 2023Read
BlockchainUnderstanding Solidity Variables: Types and Uses
TL;DR:In Solidity, variables are used to store and manipulate data in smart contracts. They are classified into value types (e.g., uint, bool, address, bytes) and reference types (e.g., string, arrays, structs, mappings)
Ali KansoOctober 20, 2023Read
BlockchainHow to Make a Flash Loan Using Aave
TL;DR: Flash loans are a super cool new idea in the world of decentralized finance (DeFi). They let users borrow as much money as they want without needing to put up anything as collateral. The only catch is that the loa
Metana EditorialSeptember 28, 2023Read
BlockchainZero Knowledge Proofs(ZK Proof): Unlocking the Secrets
Imagine a world where you can prove the truth of a statement without revealing any details about the statement itself. It sounds paradoxical, doesn’t it? How can one demonstrate knowledge of a secret without disclosing t
Ali KansoSeptember 27, 2023Read
BlockchainHow to Create a DAO : A Comprehensive Guide
In the fast-paced world of digital tech, Decentralized Autonomous Organizations (DAOs) are changing how we think about organizations. A DAO is a group that runs on blockchain. It works based on rules set up in smart cont
Metana EditorialSeptember 22, 2023Read
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