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Scalability

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Table of contents
    1. 0.2. What Scalability Involves
    2. 0.4. Why Scalability Is a Key Challenge

Scalability refers to a blockchain’s ability to handle an increasing number of transactions, users, or operations without slowing down or becoming too expensive.

What Scalability Involves

In blockchain, scalability is about how well a network performs as demand grows. A highly scalable blockchain can process thousands of transactions per second (TPS) efficiently, while a less scalable one may suffer from network congestion, higher fees, and slower confirmation times. Developers often work on improving scalability through solutions like Layer 2 protocols, sharding, and rollups.

Why Scalability Is a Key Challenge

Scalability is one of the main hurdles preventing blockchain from reaching mass adoption. Without it, networks struggle to support large-scale applications like gaming, finance, or social platforms. Striking the right balance between scalability, security, and decentralization, known as the blockchain trilemma, is a major focus for many blockchain projects.