Cryptocurrency Spot trading is the process of buying and selling digital assets such as Bitcoin and Ethereum for immediate delivery. In other words, cryptocurrencies are directly transferred between market participants (buyers and sellers).
In the Futures markets, you are trading contracts that represent the value of a specific cryptocurrency. When you purchase a futures contract, you do not own the underlying assets. Instead, you own a contract with an agreement to buy or sell a specific cryptocurrency.
Depending on the exchange, sometimes there will be different wallets for different markets and sometimes it can have the same wallet.