What is sol dex?

Could you elaborate on the term "sol dex"? Is it a specific exchange or platform related to the Solana blockchain? If so, what sets it apart from other decentralized exchanges or marketplaces? How does it function and what kind of assets can be traded on it? Additionally, what are the potential benefits and risks associated with using Sol Dex? Lastly, is it regulated and what are the security measures in place to protect users' funds and data?