Gemini co-founders Cameron Winklevoss and Tyler Winklevoss stated that they predict ZEC will surpass $5,000 within the next 5-10 years. One of the altcoins currently in the spotlight is the privacy-focused cryptocurrency Zcash (ZEC). While ZEC has been making headlines with its recent price increases, noteworthy statements have come from the Winklevoss brothers, one of its biggest supporters.