The Austrian regulator FMA has published an alert about the activities of Top10Coins.
Top10Coins is a service that offers to open accounts for you on crypto exchanges and buy cryptocurrencies of your choice on your behalf.
It is not an investment service, however there is another problem with it. The FMA says that Top10Coins is accepting money deposits from the public and making financial transactions on behalf of its clients, which as an activity that requires a license.
However, Top10Coins is not licensed to conduct this kind of activity.
For trading use regulated brokers.