The address is displayed in the form of a long alphanumeric string. This is an identity on the network, which allows you to receive and store cryptoassets from the network on which it was created. You can make the analogy between the receiving address and an IBAN : it is the address where you send your funds in cryptocurrency. Each network has its own type of address.
Once your Coinhouse account has been validated, you can generate a receiving address from the My Accounts tab at any time. Simply click on the button as shown in the box below. Here is an example for creating a recieving bitcoin adress, the same logic works with other assets available on the plateform.