Definition ∞ Pooled Security is a model where multiple blockchain networks or applications share the same set of validators or security resources from a larger, more established network. This arrangement allows newer or smaller chains to inherit the robust security guarantees of the parent chain without needing to bootstrap their own extensive validator set. It reduces the cost and complexity of securing individual networks. This approach enhances the overall security posture of the ecosystem.
Context ∞ Pooled security is a central concept in the development of modular blockchains and interoperable ecosystems, particularly with projects like Polkadot and Cosmos. News frequently highlights new chains adopting shared security models to accelerate their launch and reduce security risks. The discussion centers on the trade-offs between full sovereignty and the benefits of shared economic security, as well as the mechanisms for managing potential validator collusion.
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