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Wal-Mart is both a powerhouse in retail and a pioneer in financial services. The company has championed numerous initiatives in prepaid and mobile payments, and it has also been quick to push back on technologies it does not like. (Image: Bloomberg News)
Wal-Mart is the exclusive distributor Green Dot's GoBank mobile checking account in its stores. The companies are trying to reach consumers who want more than a prepaid account but would still consider Wal-Mart as an alternative to a bank.