Well, that is not so surprising, Switzerland is in general very loyal to new technologies. Moreover, the blockchain can be used very efficiently for banking purposes.
Further, follow Gibraltar and Malta.
The research was based on a number of factors, among which were considered regulation, crypto regulation for cryptocurrency as a payment method, taxation frameworks and taxation obligations for crypto.
Switzerland appeared to be an extremely crypto-friendly nation. It is called often a crypto-valley for this reason. To the attractiveness adds tax-free policy for crypto.
Further, Gibraltar follows, which attracted more than 200 ICOs before the launch of a cryptocurrency exchange, the Gibraltar Blockchain Exchange (GBE).
Malta has welcomed the biggest existing cryptocurrency exchanges Binance and OKEx.