Two wallets on an investment platform can be used to make money online in a variety of ways. Depending on the platform, users may be able to use their wallets to purchase investments such as stocks, mutual funds, ETFs, and other financial instruments. They may also be able to use their wallets to trade cryptocurrencies, participate in peer-to-peer lending platforms, and more. Additionally, many investment platforms also offer features like automated trading and portfolio management, which can help users maximize their returns and manage their investments more effectively.