Money transfer system Coinstar Money Transfer is the fastest growing company in the market of remittances. Coinstar Money Transfer System works via the Internet, as opposed to Western Union and MoneyGram, which for the money transfers information are using their own internal networks. Transfer fee is paid by a person who carries out money transfer via Coinstar Money Transfer, and varies from country to country. Coinstar Money Transfer works as follows: The client has to come to the branch office of the agent bank, the money will be transferred in minutes.