What benefit does E-Cash offer in financial transactions?

E-Cash offers the benefit of being a token that is exchangeable for real money, which emphasizes the digital nature of transactions while still maintaining the value associated with traditional currency. This conversion capability allows users to transact electronically without needing to handle physical cash, thus providing convenience and efficiency in conducting transactions.

The ability to use e-cash facilitates online purchases, peer-to-peer payments, and other financial transactions seamlessly, removing geographical barriers and the limitations associated with traditional cash handling. It can also enhance security, as e-cash can be encrypted and secured better than physical currency, reducing the risks of theft or loss.

In contrast, the other options do not accurately capture the benefits of e-cash. Increased transaction fees would deter users from utilizing the service, while unlimited physical cash storage does not pertain to e-cash, as its fundamental premise is digital. Improved customer service response might be important but is not a direct benefit of e-cash itself. Overall, the primary advantage of e-cash is its capacity to serve as a digital token representing real money, thereby revolutionizing the way financial transactions are conducted in the modern economy.