As there is limited information available, we're unable to provide specific details on the purpose of Winnerz. It is categorized under 'Other' and tagged within the 'ethereum-ecosystem', indicating it might leverage Ethereum blockchain technology.

Winnerz is tagged under the 'ethereum-ecosystem', suggesting it may use Ethereum's blockchain features like smart contracts, decentralized applications, or digital assets offered by Ethereum.

Benefits might include leveraging Ethereum's decentralized technology for transparency, security, and decentralization, though specific advantages would depend on Winnerz's specific functionalities.

Without detailed information on Winnerz's offerings and features, direct comparisons are tough. Its categorization and tags suggest it might align with projects leveraging Ethereum's blockchain advantages.

Belonging to the 'ethereum-ecosystem' category indicates Winnerz might be relevant for those interested in Ethereum solutions. Specific relevance would depend on its unique use cases and functionalities.

In case of issues, users should seek community forums, socials relevant to 'ethereum-ecosystem' projects, or support channels usually found on project websites or communication platforms.