The Centrifuge chain is a part of the Polkadot ecosystem and therefore the best place to store Centrifuge CFG Tokens is the Polkadot/Substrate Portal, a browser extension available for Chrome, Firefox and the Brave Browser. It can be downloaded for example through Github (polkadot-js extension).
After the extension is downloaded and installed the website (polkadot.js.org/extension/) needs to be connected and access to the extension has to be granted.
The first step in the portal is to switch to the Centrifuge Mainnet before an account with an address is created. Then open the tab “Accounts” and “Add Account” where the Centrifuge-address is already shown (starts with the prefix “4xxxx”). There the mnemonic seed is shown as well and it MUST be written down and stored in a secure place.
Then click and confirm “I have saved the mnemonic seed safely”, enter your account name and choose a secure password for additional security. In the last step the portal will provide you with a backup file (JSON).
I highly recommend to store the JSON-file as well to secure your account externally from the app. This file is an additional safety feature and together with your password your address/account can be restored in case something happens with your computer.
As soon the account is created Centrifuge CFG tokens can be sent to the address.
You are able to monitor all transactions as well as staking rewards most suitable in a Centrifuge-explorer such as Subscan.