CZ: The native currency of AI agents is most likely cryptocurrency • Available globally 24/7 • Programmable via smart contracts • Supports micropayments, as small as $0.01 • No manual authorization required In the future economy, AI agents will be the main players in transactions: • Booking flights, hotels, price comparison, payments → AI handles it automatically • Investing, trading, asset rebalancing → AI executes autonomously • Information access, paid reading → AI makes micropayments as needed Web4 = Web3 + AI