From a rational point of view, it would be easy to suppose that cryptocurrencies supported by a better team of developers, with a committed community and with enough flexibility to efficiently meet user requirements would be the best profile to face the challenges of the future with success, but this strange and capricious market does not seem to react to the economic fundamentals of the real world, so it is likely that such inefficient coins as bitcoin and ethereum will continue to dominate the market for many years.