Decentralized exchange can be used as a crowdfunding platform where a startup can register for crowdfunding. There are multiple use cases where startup can register for crowdfunding on DEX.
Case 1: Startup has its own token contract. In this case, startup need to submit an audit report to admin through register panel of startup. Admin will review the audit report and provide a dashboard access to startup. Moreover, startup could be able to see all the analytics of crowdfunding on DEX.
Case 2: Startup does not have its own token contract. Then DEX will create a token contract for startup that will be simply created by filling details of token contract. In this case, token contract will be fully customized according to the startup tokenomics that will be further used to create offer to sell tokens