Is it possible to trade futures on chain?

I recently converted some of my portfolio to leveraged positions. But I did this in traditional off chain exchanges. Which leaves me a bit nervous as I do not like to hold assets that are essentially IOUs. I prefer to hold the assets photographically as that is the main point and ultimately the biggest advantage of crypto.

I have not been trading for **many** years. Looks like one can trade coins/tokens purely in crypto using thingsl ike uniswap, binance, solana, etc… Given that I am understanding these new things correctly. **Do these platforms offer the possibility to buy futures? By that I mean holding assets with leverage. Is that even possible?**