"Elon Musk denies rumors about plans to use his sperm to colonize Mars, which appeared in the New York Times. He also clarified that no one at SpaceX is working on creating a city on Mars. Despite this, Musk has previously spoken about plans to build a city on Mars by 2050 and use Bitcoin as a currency. However, he said, due to the long transaction processing time, using Bitcoin on Mars could be difficult. 🚀