I think that the only the best are able to survive. Now we're stepping into crypto decade. What are your thoughts about current situation and role which cryptos will play in this "New World"?
Best use case for blockchain is money. Cryptocurrencies that have most or all traits of perfect money will survive. Here you can see what Aristotle wrote on money in 300 BC :
https://www.marketoracle.co.uk/Article10370.html