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Sequential Bottleneck

Definition

A sequential bottleneck is a point in a process where tasks must be executed one after another, thereby limiting the overall speed and efficiency of the system. In blockchain technology, this often refers to the inherent limitation of many networks where transactions are processed strictly in order, even if they are logically independent. This constraint prevents parallel processing, leading to reduced transaction throughput and increased latency during periods of high network demand. Overcoming these bottlenecks is crucial for achieving greater scalability and responsiveness in decentralized systems.