Those are not better. Bitcoin offers too many things, trading off decentralization and security for speed is not exactly a better solution. Moreover, those "be

Those are not better. Bitcoin offers too many things, trading off decentralization and security for speed is not exactly a better solution. Moreover, those "better" solutions are mostly operated and promoted by founders with questionable profit incentives, they also control the rules of those crypto-currencies. Bitcoin shines due to its fixed Rules, unknown founder, best incentive structure.