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Re:Credit card fraud warning signs by splonk on Friday April 27, 2018 @03:18PM (#16943518)
Yes. There are significant beneficial network effects in payment processing.

Back in the day, eBay had ludicrously good fraud rates (and hundreds of engineers working on models, from what I heard). We hired a few people from them and were quite proud to achieve rates in the same ballpark with orders of magnitude less traffic.

Re:Credit card fraud warning signs by paulie_a on Friday April 27, 2018 @07:08PM (#16945137)
eBay also had and still has a reputation for outright letting fraudsters operate easily as buyers. I would never trust eBay to sell anything there anymore.
Re:Credit card fraud warning signs by StudentStuff on Friday April 27, 2018 @10:06PM (#16945744)
Same for sellers. Its really sucky to get a bunch of broken laptop keyboards from a seller, then get replacements that are also liquid damaged or physically damaged.
Re:Credit card fraud warning signs by paulie_a on Friday April 27, 2018 @10:43PM (#16945814)
Buyers automatically win all disputes though. And every though PayPal thankfully split from eBay the buyer wins there too.