No, you can only hold ECS in the eWallet App until other cryptocurrencies such as ETH, BTC and others will be supported. However, if you have connected your third-party exchange account in the eWallet App menu point “Exchange” you are able to see balances other than ECS (e.g. EUR, USDT, BTC) which you hold on the third-party exchange via the API connection.

This does not indicate that these assets are in your eWallet App, but are displayed for overview and informative reasons. 

For the avoidance of doubt, eWallet app is a non-custodial cryptocurrency wallet, which means that we do not store nor have access to your Private keys or assets, accessible through eWallet app. We do not send or receive assets cannot access or restore your Private keys. Cryptocurrency transactions are enabled and recorded in a decentralised blockchain network that we do not control.