What are the best platforms for futures trading demo in the cryptocurrency industry?

I'm looking for the best platforms that offer futures trading demos in the cryptocurrency industry. Can you recommend some reliable platforms that provide demo accounts for futures trading? I want to practice trading futures without risking real money, so it's important that the platforms have a user-friendly interface and offer a wide range of cryptocurrencies to trade. Additionally, I would like to know if these platforms offer educational resources or tutorials to help me learn more about futures trading.