every month, Bitcoin has killed a lot of Altcoin when the altcoin is growing. Bitcoin inflation can not be stopped and it will continue, everyone knows that you are better off investing in Bitcoin than Altcoin. many people lose the most money in altcoin, if you want invest in altcoin you must long-term.
Is true but altcoin like ETH DASH XMR XRP LTC NEO XLM are not stupid choice becouse are strong project with a superior tecnology then BTC...
now BTC gain the lost dominance in the market but other good altcoin are not scam projoect will have future soon and i'm sure they don't lose they worth in the short time