According to CoinMeta, as reported by MIT Technology Review, today's The Download discussed the challenges of lunar city construction and drone traffic control. The United States and China are competing to establish bases on the moon, with NASA hoping to build a small lunar city by the end of this century. However, the lunar environment is extremely harsh, and it is necessary to ensure the safety of the bases against meteorites, cosmic radiation, and extreme temperature changes, while also achieving self-sufficiency. This requires autonomous robots, nuclear energy, and the ability to utilize lunar resources. Political will may be the biggest obstacle.