I can't find the reference right now but someone once wrote that PayPal was, at its core, one of the most sophisticated fraud detection engines ever created.
In their early days, they almost went under multiple times because of the millions in chargebacks (This is one of those impossible problems that Elon Musk helped solve).
In their early days, they almost went under multiple times because of the millions in chargebacks (This is one of those impossible problems that Elon Musk helped solve).