Yes, you can earn rewards by delegating your ROSE to our Network.
We have non-custodial Wallets you could start using to do the delegation. You could even use Ledger connected to our Oasis Wallet.
Please check the following links to get started.
https://www.youtube.com/watch?t=296&v=IlN4xi2PaLk&feature=youtu.be (This is a staking tutorial)