During the 21:00-7:00 period, US Vice President Kamala Harris expressed her determination to secure the Democratic presidential nomination. Elon Musk, founder of Tesla and SpaceX, changed his profile picture on social media, symbolically presenting his new ideas. President Joe Biden formally announced his withdrawal from the 2024 election campaign, sparking debate. The Secret Service rejected Donald Trump's request for additional security, while Trump criticized Biden for lacking leadership, arguing that he is not fit to be president. Musk hinted that real power is changing, with Trump denying being a puppet. After Biden's withdrawal, Biden fully supports Harris, with Trump stating that Harris might become an easier opponent to defeat. Cryptocurrency policy experts note that Biden's withdrawal provides new opportunities for high-level Democrats to promote the development of cryptocurrency and blockchain technology.