Cortex is a protocol designed for decentralized on-chain agents, paving the way for the future of blockchain interactions. It aims to revolutionize the cryptocurrency landscape by facilitating the use of AI agents, which are expected to become the primary means of engaging with blockchains and will drive a significant portion of crypto activities. This evolution will unfold in two phases: initially incorporating human-directed agents, followed by the introduction of fully autonomous agents equipped with their own goal-oriented functions. The Cortex ecosystem consists of two key components. The first is the Cortex Agent, a versatile trading agent that enables users to conduct research on various cryptocurrencies, execute trades, and interact with blockchains through a user-friendly interface powered by a language model. This feature streamlines the trading experience and empowers users to make informed decisions. The second component is the Cortex Agent Platform, which provides developers with the tools to create and deploy task-specific agents that possess on-chain functionalities. This platform ensures that developers can operate without restrictions, fostering innovation and enhancing the overall capabilities of the Cortex network. By integrating AI capabilities into blockchain interactions, Cortex positions itself at the forefront of the evolving crypto ecosystem, offering users and developers a powerful suite of tools to navigate the complexities of digital assets. The potential of Cortex lies in its ability to enhance user experiences and drive efficiency in blockchain activities, marking a significant step towards a more automated and intelligent future in cryptocurrency.