Proof of Space (PoSp) leverages [[ZKP/ZKP Base Layer/ZKP Blockchain/Performance/Storage Layer|decentralized storage]] for [[ZKP/ZKP Base Layer/ZKP Blockchain/Technical Build Consensus Layer/Consensus Model|consensus]] [22]. Nodes provide [[ZKP/ZKP Base Layer/ZKP Blockchain/Storage Layer/Data Retrieval and Verification|verifiable storage]], proven with cryptographic methods, boosting data availability and scalability for AI needs. Implemented through Substrate's flexible runtime architecture [107, 108], PoSp operates as a complementary pallet that validates storage commitments while maintaining compatibility with the broader ecosystem. PoSp ensures that the network can handle large datasets required for AI applications, distributing storage across nodes to prevent centralization and [[ZKP/ZKP Base Layer/ZKP Blockchain/Storage Layer/Network Security Under Load/Network Security of Storage Layer|enhance resilience.]] This makes it an ideal complement to AI systems that demand vast amounts of data for training and inference. Furthermore, [[ZKP/ZKP Base Layer/ZKP Blockchain/Strategic Rationale/Energy Efficiency/Energy Efficiency and Performance|PoSp reduces reliance on energy-intensive processes]], offering a more sustainable alternative to traditional consensus mechanisms like PoW [35]. Its design supports long-term scalability by adapting to growing storage demands in AI-driven ecosystems. The pallet's integration with Substrate's WebAssembly runtime enables efficient storage verification while maintaining the system's upgradeability and cross-platform compatibility. See also: [[ZKP/ZKP Base Layer/Core Concepts/Merkle Trees|Merkle Trees]]