Bitcoin should finish the year at $10,000 while ethereum is likely to close at $500, investing magnate Michael Novogratz said.
Joseph Lubin, co-founder of Ethereum, said many projects funded by token sales do not offer any real value to investors.
Morgan Stanley Chairman and CEO James Gorman said anybody who thinks bitcoin will be stable is "deluding themselves."
After CME said it would launch bitcoin futures before the end of the year, fears arose of a financial crisis-like orgy of speculation.
BofA CEO Brian Moynihan said the banking system offers more security than digital currencies in tracking illegal fund flows.
I think we will see another leg up, says BlackRock's Larry Fink weighing in on what he thinks is driving stocks to record levels.
BlackRock Chairman and CEO Larry Fink believes the stock market's next big move will depend on the tax reform plan's fate.
Laurence "Larry" Fink, BlackRock chairman & CEO, talks to CNBC's Andrew Ross Sorkin about tax reform, the market's rally, global growth expectations and his disappointment in the GOP's 401(k) proposal.
Laurence "Larry" Fink, BlackRock chairman & CEO, weighs in on tax reform, the market's rally and his disappointment in the GOP's 401(k) proposal to limit contributions. We should encourage more people to put money away, says Fink.
Laurence "Larry" Fink, BlackRock chairman & CEO, provides insight to the markets, Saudi investment strategies and global economic growth.
BlackRock's Larry Fink says investors are doing "far better" but he warns that some years could be much worse.
The kingdom is embarking on a big experiment as it diversifies its oil-based economy, and executives looking for investment are making their pitches.
Standpoint Research's Ronnie Moas says the price of bitcoin could jump to $50,000 within the decade.
Larry Fink tells CNBC that U.S. companies are stronger and better managed across several industries.
Larry Fink, BlackRock chairman & CEO, talks about active versus passive investing, and his fear that China and Japan are the biggest holders of U.S. debt.
Larry Fink, BlackRock chairman & CEO, explains how his company is expanding growth and weighs in on the role of active management and corporate stewardship.
Larry Fink, BlackRock chairman & CEO, talks about the role of central banks and why he is watching the yield curve as the Fed unwinds its balance sheet.
Larry Fink, BlackRock chairman & CEO, weighs in on U.S. stock valuations and interest rates.
BlackRock chief Larry Fink says if the Fed tightens too much that could put the bond market out of whack and hurt stocks.
Larry Fink, BlackRock chairman & CEO, shares his concerns about where investors are putting their retirement funds.