Seriously get your coins off exchanges & even worse, don’t think about trying to earn yield by giving up your keys. It’s just not worth the risk.
It's not worth staking coins on centralized platforms because you can end up losing it all in an instant. As it's always said: "Not your keys, not your coins". You should consider staking coins on a non-custodial wallet for complete peace of mind. How much you will earn in Fiat terms will depend on current market conditions. I'd advise anyone to stake coins with a low APR in order to avoid losing purchasing power (due to inflation) over time. Coins like Peercoin (PPC), Komodo (KMD), Diamond (DMD), TRON (TRX), Cardano (ADA), and Polkadot (DOT) should be on the top of your list of coins to stake.
Ultimately, it's all about diversification. As long as you diversify your investment, the risks of loss will be at the minimum. Who knows if you become the next crypto millionaire by playing it safe? Just my thoughts