There are many wallets recommended and depending on the currency you need to store, some have an extra in their favor and is to have integrated into its platform an exchange, this is one of them,
Completely anonymous, to register you only need to have some email, operates with the main cryptom currencies such as Bitcoin, Ethereum, Dash, Litecoin, Zcash and others, from their exchange you can make exchange between them, the exchange is instantaneous and without commission.
The security mechanisms are highly reliable.
Among the complaints that I could find is that of the technical support apparently very poor and the other is that it is a wallet with custody.