There are news reports of a Swiss base ETF this attempting to launch by Crypto Fund AG. This ETF will invest in a variety of digital currencies such as bitcoin, ethereum and ripple, among others. The fund plans to launch in Q4 2017 if approved by Swiss Financial Market Supervisory Authority. I believe ripple will explode much like bitcoin, and ethereum has in recent weeks with ETF talks.
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https://www.ethnews.com/europes-first-cryptocurrency-fund-launching-from-zug-valley
https://bitcoinmagazine.com/articles/could-switzerland-become-home-first-ever-crypto-etf/