Money transfer system Coinstar Money Transfer is the fastest growing company in the market of remittances. The receiver produces to the bank the original of identification card and Coinstar money transfer control number. Coinstar transfers cost in one and a half or two times cheaper than the Westren Union and MoneyGram. 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.