WorldBrain is an neural network system that integrates artificial intelligence, neuroscience, and blockchain technology to model the human brain. It aims to create a decentralized artificial intelligence system using Web3 technologies, allowing users to participate and contribute globally. The platform leverages distributed computing, token incentives, and hardware devices to enhance environmental understanding, prediction, decision-making, and exploration. WorldBrain's unique approach includes features like explainability, visualization, and diverse scenario generation, promoting comprehensive understanding and decision-making.