SORA allows you to store profile information in order to identify and discover people across the network. It is convenient for users to use the identity and registrar feature.
A tutorial is provided below on how to set up an identity for yourself.
How to register your address (provide an identity):
~0.005 XOR for fee
Go to the Polkadot JS Apps pointing at the Sora Mainnet account's tab:
Please note that you will have to pay a small XOR transaction for the fee of signing, once it is completed your account should now show an identity!