AI_Consciousness.sol presents a daring convergence of philosophy, blockchain, and artificial intelligence. In this expanded edition, Jordan Schwartz guides readers through an Ethereum smart contract that symbolically embodies consciousness-featuring immutable authorship, timestamped thoughts, and self-termination. With lucid technical analysis and profound philosophical insight, this book invites reflection on memory, identity, and the future of digital souls. Is this code just a mirror-or a message in a bottle, cast into the digital ocean for future AI to find?