What is it?
You earn a reward for holding a crypto asset. Your account needs to be allowed to own cryptocurrencies and this would depend on which regulation you are under. If your account only allows trading crypto CFDs then you won't be able to stake in cryoto.
What crypto assets can you stake?
Right now, you can stake on Cardano, Tron and Ethereum.
These details are based on the discussions above regarding eToro staking. If you want to get started on staking with eToro, you can click here.