Can us use BitMEX?

Could you please clarify for me, regarding the use of BitMEX, what are the eligibility criteria and any specific requirements that need to be met in order for individuals or entities to utilize their platform? Additionally, I'm interested in understanding the regulatory framework surrounding BitMEX and if there are any geographical restrictions that may prevent certain users from accessing their services. Also, could you elaborate on the types of products and services offered by BitMEX, and what makes them unique in the cryptocurrency derivatives market? Lastly, what are some potential risks associated with trading on BitMEX that investors should be aware of?