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Horizontal Scalability

Definition

Horizontal scalability refers to the ability of a system to increase its processing capacity by adding more machines or nodes to its distributed architecture. Instead of upgrading individual components, this method involves distributing the workload across a larger number of less powerful units. In blockchain networks, horizontal scalability allows the system to handle a greater volume of transactions by incorporating more participants or processing units. It is a critical attribute for high-throughput decentralized applications.