How to buy sidus in the USA?

Could you please explain the process of purchasing Sidus in the United States? I'm interested in learning the steps required to navigate the process, from finding a reputable exchange to ensuring the security of my transaction. Are there any specific regulations or requirements I should be aware of as a US resident looking to invest in Sidus? Additionally, are there any recommended strategies or best practices for new investors to keep in mind when making their first purchase?