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Category: Blockchain
Blockchain

Running Your Own Node? Here’s What You Should Know

As blockchain technology continues to grow, an increasing number of businesses and individuals are exploring ways to contribute to decentralized networks. One of the most popular ways to engage with blockchain is by running your own node. A full node plays a critical role in maintaining the network. However, despite the growth and popularity of blockchain, there are fewer than 10.000 Bitcoin peers on networks running full nodes. Everyone else is still relying on other people’s full nodes to broadcast their transactions.

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Metana Editorial September 11, 2025
Blockchain

What Is Ethereum 2.0? (Updated)

TL;DR Ethereum 2.0 is a significant update to the world’s second-largest cryptocurrency network that takes advantage of proof-of-stake consensus mechanism, providing users with faster transaction

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Metana Editorial July 24, 2025
Blockchain and AI 2025
AI & Machine Learning

Blockchain and AI: Beginner Guide 2025

TL;DR
Blockchain is a decentralized, secure digital ledger used in crypto, DeFi, NFTs, and more. It’s driving high-growth tech careers in 2025, including developers, analysts, and architects. AI and blockchain are merging, enabling smarter contracts, secure data, and transparent automation.
New hybrid roles like AI Blockchain Engineer and Smart Contract Auditor with AI are emerging.

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Metana Editorial July 1, 2025
Testnet Faucet
Blockchain

What Is A Testnet Faucet?

A testnet faucet is an online service that provides free testnet tokens for use on blockchain test networks, such as those in the Ethereum ecosystem.

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Metana Editorial June 24, 2025
Blockchain

Blockchain and Fintech: The Future of Finance

TL;DR Blockchain technology is transforming the fintech industry by providing secure, transparent, and decentralized solutions. It enables faster, low-cost payments, decentralized financial services, smart contracts,

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Metana Editorial April 18, 2025
Blockchain

JavaScript Hoisting [Explained]

TL;DR JavaScript hoisting is one of those concepts that confuses developers—especially beginners. Many assume that JavaScript moves declarations to the top, but the reality is

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Metana Editorial March 10, 2025
Blockchain

Best Cryptocurrencies to Invest

Cryptocurrencies are digital currencies secured by cryptography and exchanged on decentralized networks without the need for banks or central authorities. Transactions occur between digital wallets

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Metana Editorial January 27, 2025
Blockchain

How to Conduct A Research on Blockchain

Blockchain has changed many industries with decentralized, transparent and secure data storage and transaction systems. It’s spread from finance and supply chains to healthcare and

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Metana Editorial December 19, 2024
Blockchain

What are Real World Assets (RWAs)

The concept of Real World Assets (RWAs) has gained significant attention as blockchain technology and decentralized finance continue to grow. Real World Assets serve as

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Metana Editorial November 13, 2024
Blockchain

What is BscScan and How Does it Work?

With the rapid evolution of decentralized finance, non-fungible tokens, and smart contracts, the need for transparency in blockchain networks has become more important than ever.

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Metana Editorial October 12, 2024
Blockchain

What is Bytes32 in Solidity?

TL;DR Bytes32 is a fixed-size (32-byte) data type in Solidity, optimized for the EVM. Used for hashes, Ethereum addresses, and fixed-size strings to save gas.

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Metana Editorial September 25, 2024
Blockchain

Exploring the Mempool: A Deep Dive

Have you ever sent a cryptocurrency payment and felt like it’s taking forever to confirm? You’re not alone. Unlike swiping your debit card, crypto transactions

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Metana Editorial June 18, 2024
Blockchain

DAO Treasury Management

Decentralized Autonomous Organizations (DAOs) are reshaping collaboration, but managing their treasuries requires specialized knowledge. This guide will take you through the secrets of effective DAO

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Metana Editorial May 2, 2024
Blockchain

The Rise of Layer 2 Solutions

Blockchains, the revolutionary technology underpinning cryptocurrencies and decentralized applications (dApps), have a fundamental challenge: SCALABILITY. As these networks gain traction and user adoption increases, their

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Metana Editorial April 30, 2024
Blockchain

What are Web3.js Providers [Explained]

Web3.js, a popular JavaScript library, empowers developers to build decentralized applications (dApps) that interact with blockchains. But how do these dApps actually connect to the

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Metana Editorial March 28, 2024
How-to-Write-Solidity-Smart-Contracts
Blockchain

How to Write Solidity Smart Contracts

Smart contracts are like digital wizards—self-executing agreements with predefined rules, all meticulously encoded. They’re the enchanting core of blockchain technology, promising a world of transparency

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Ali Kanso October 19, 2023
Blockchain

What are Events in Solidity?

TL;DR: What are Solidity Events? Solidity events are a way for smart contracts to communicate with each other and with external applications. They allow developers

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Metana Editorial July 12, 2023
Blockchain

5 Web3 Courses to Try in Coursera

Web3 coursera courses can help you have an opportunity into the web3 industry. As blockchain technology gains popularity, there is a greater need for qualified

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Metana Editorial May 24, 2023
Blockchain

Smart Contract ABI: What is it?

What is Smart Contract ABI? A smart contract ABI, or Application Binary Interface, is a standard way to interact with smart contracts in the Ethereum

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Metana Editorial May 16, 2023
Blockchain

Is Solidity Hard to Learn?

TL;DR We at Metana, believe that the learning Solidity programming language is essential for building decentralized applications (dApps) on the Ethereum blockchain. It is a

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Metana Editorial March 15, 2023
Blockchain

Why Learn Solana? Is it worth it?

Solana is now the fourth-biggest cryptocurrency in the world, but what does the future look like for blockchain developers. Should you learn Solana right now?

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Metana Editorial February 4, 2022

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Get a detailed look at our Software Engineering Bootcamp

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You are downloading 2025 updated Software Engineering Bootcamp syllabus!

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Get a detailed look at our Full Stack Bootcamp

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