Coinmama is one of the more popular bitcoin marketplaces out there, boasting over 200,000 customers and selling both bitcoin and Ethereum to verified users.
Coinmama is registered with FINCEN in the US as a money service business. Although the fact that Coinmama does not hold any cryptocurrency on users’ behalf makes it less susceptible to attacks than other exchanges, it still does hold records of users’ credit card information, although Coinmama states on its website that credit and debit card information is not stored on the exchange server.
Customer support is available via email, as well as an extensive list of FAQ’s. As with most cryptocurrency exchanges, online reviews of their customer service response has been mixed. However, it doesn’t appear that there are any major issues with response times, with most queries consistently replied within 24 hours (with longer waits expected over the weekend or public holidays). Its stated business hours are Sunday to Thursday, from 11 pm to 7 am Pacific Time.
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