Proof of Intelligence (PoI) uses AI task contributions (e.g., model training) for network consensus. Nodes perform verifiable AI workloads, proven via [[ZKP/ZKP Base Layer/Core Concepts/Zero-Knowledge Proofs|ZKPs]], enhancing security and AI progress. Implemented as a custom Substrate pallet, PoI integrates seamlessly with the BABE+GRANDPA consensus framework [109, 110] to validate computational contributions alongside traditional block production and finality mechanisms. By tying [[ZKP/ZKP Base Layer/ZKP Blockchain/Technical Build Consensus Layer/Consensus Model|consensus to meaningful AI computations,]] PoI aligns [[ZKP/ZKP Base Layer/ZKP Blockchain/Technical Build Consensus Layer/Synchronization of PoI and PoSp in Consensus Rounds/Reward Distribution|network incentives]] with the advancement of AI capabilities, fostering a decentralized environment where computational resources are efficiently utilized. This approach contrasts with traditional proof-of-work systems by [[ZKP/ZKP Base Layer/ZKP Blockchain/Strategic Rationale/Energy Efficiency/Energy Efficiency and Performance|prioritizing useful work over redundant computation.]] The modular design of Substrate's pallet system [111] allows for flexible integration of PoI mechanics with other consensus and governance mechanisms. Additionally, PoI encourages participants to contribute to cutting-edge AI research and deployment, creating a synergy where network security and AI innovation reinforce each other, potentially accelerating breakthroughs in machine learning. See also: [[ZKP/ZKP Base Layer/Core Concepts/Proof of Space (PoSp)|Proof of Space (PoSp)]]