Its already started. I mean, my estimate is that were going to see $1 billion come into the Ethereum ecosystem in 2016 alone, and the general estimates for the amount of money going into the entire blockchain ecosystem, including Bitcoin, is on the order of $10 billion. - Vinay Gupta (original CypherPunk member)
from what i understand huge consortium of financial institutions invested in R3 (Mike Hearn) using the ethereum programming