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what's the responsibility of Balanced in this regard, isn't it on them to ensure the validity of credit card numbers?

• dangrossman 14y ago
  It's impossible to tell, with certainty, if a credit card is being used by its rightful owner or someone else. That's not something anyone anywhere in the payment processing industry guarantees. In terms of who can do the best at predicting the likelihood a transaction is fraudulent or not, it's definitely the merchant/website, not their processor. He has much more information available to him (IP address, github account, etc) than Balanced has.
• zende 14y ago
  There's a field (meta) on the Debit resource that allows a marketplace to pass fraud signals like IP address and shipping address. Gittip is facing this issue much earlier than another marketplace in comparison to their volume. Otherwise, we don't ask a marketplaces to pass in more information until they've grown more. The problem in being restrictive too early is that you can hinder a marketplace from growing by having false positives. In the end, I think we (Balanced) should have done a better job here, and we'll work hard to do so in the future.