I always say,it'll be mainstream when grandparents are using crypto to accomplish their daily tasks, whether they know it or not. However even then it does not make it a bubble.
I can totally see a trillion market cap, maybe even early next year. The traction and news crypto is getting is snowballing and this is great for investors. We're still very early in the game. :)
RE: Crypto Currency Market Cap At All Time Record Breaking Highs - Is This The Beginning Of A New Bubble?