KEY POINTS
  • Bitcoin futures adds some legitimacy to the cryptocurrency, but there is a downside, noted Wall Street analyst Nick Colas told CNBC on Friday.
  • He's concerned that over the next couple of weeks hackers will try to get into the wallets and exchanges that trade bitcoin in order to drive prices down and take advantage of that in the futures market.

Bitcoin futures adds some legitimacy to the cryptocurrency, but there is a downside, noted Wall Street analyst Nick Colas told CNBC on Friday.

He's concerned that over the next couple of weeks hackers will try to get into the wallets and exchanges that trade bitcoin in order to drive prices down, as well as cause uncertainty about the quality of the underlying asset. Then they can play in the futures market in an effort to make money.