As a seasoned professional in the realm of cryptocurrency and finance, I am intrigued by the potential of Elastos and its unique approach to blockchain technology. Can you elaborate on the future prospects of Elastos? How do you envision it evolving and impacting the broader digital landscape? Are there any specific milestones or advancements on the horizon that investors and enthusiasts alike should be keeping an eye on? Additionally, how does Elastos plan to address the challenges and obstacles it may face as it continues to grow and expand its reach?