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A subnet, short for subnetwork, is a logically isolated blockchain environment that operates within a broader network while maintaining its own execution rules, validators, and governance parameters. Subnets are designed to enhance scalability, flexibility, and specialization by allowing different applications or institutions to run blockchains tailored to their specific requirements without congesting the primary network. In blockchain ecosystems such as Avalanche, subnets enable developers to deploy custom blockchains with distinct virtual machines, fee models, and compliance frameworks, while still benefiting from shared security and interoperability. This modular approach addresses key limitations of monolithic blockchains, where all applications compete for the same block space and resources. By segmenting workloads, subnets improve performance predictability and reduce systemic congestion. Subnets are particularly valuable for enterprise use cases, gaming platforms, and regulated financial applications that require predictable throughput, privacy controls, or jurisdiction-specific rules. Despite their independence, subnets remain connected to the broader ecosystem, allowing assets and data to move between networks. This balance between autonomy and interoperability makes subnets a core architectural component in modern blockchain design, supporting scalable growth without sacrificing decentralization principles.

A subnet, short for subnetwork, is a logically isolated blockchain environment that operates within a broader network while maintaining its own execution rules, validators, and governance parameters. Subnets are designed to enhance scalability, flexibility, and specialization by allowing different applications or institutions to run blockchains tailored to their specific requirements without congesting the primary network.

In blockchain ecosystems such as Avalanche, subnets enable developers to deploy custom blockchains with distinct virtual machines, fee models, and compliance frameworks, while still benefiting from shared security and interoperability. This modular approach addresses key limitations of monolithic blockchains, where all applications compete for the same block space and resources.

By segmenting workloads, subnets improve performance predictability and reduce systemic congestion. Subnets are particularly valuable for enterprise use cases, gaming platforms, and regulated financial applications that require predictable throughput, privacy controls, or jurisdiction-specific rules.

Despite their independence, subnets remain connected to the broader ecosystem, allowing assets and data to move between networks. This balance between autonomy and interoperability makes subnets a core architectural component in modern blockchain design, supporting scalable growth without sacrificing decentralization principles.

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