I think the public chain Ethereum is the Windows of this open and decentralized internet, if we weigh security, scalability, speed, privacy, and decentralization... these dimensions to comprehensively score the protocol, it is usually the best /Generic solution. However, compared to Ethereum, I can see several protocols based on each area. Of course, the fact that these protocols are specific to one dimension of a specific use case means they compromise on certain dimensions and are not built...