The digital revolution has significantly transformed financial services, and e-wallets have emerged as one of the most significant drivers of this change. Initially perceived as digital counterparts to physical wallets, e-wallets have evolved to offer a range of functionalities, including payment processing, financial management, loyalty programs, and integration with emerging technologies such as blockchain and artificial intelligence (AI). With the widespread use of smartphones, increased internet access, and the growth of fintech innovations, e-wallets have become an integral part of financial services, altering how consumers and businesses handle transactions. This chapter explores the evolution of e-wallets, different types, challenges, adoption patterns, and future prospects, focusing particularly on their growth in India.