How to use blast mainnet?

Could you please elaborate on the steps required to effectively utilize the Blast mainnet? I'm particularly interested in understanding the initial setup process, including any necessary software installations or account creations. Additionally, I'd like to know about the key features and functionalities that the Blast mainnet offers, as well as any potential challenges or limitations that users may encounter. Furthermore, are there any best practices or tips that you could recommend for maximizing the benefits of using the Blast mainnet? Your insights would be greatly appreciated.