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1 payment per second. 1 payment per uber ride. 10 dollars per ride. 864k per day. 365M per year. It's not a small system and could be some mixture of one market at Uber or some %age of rides (eg one payment provider)

(it could be 2 payments per ride or drivers get batched payouts but w/e).

There's obviously bigger payment platforms (eg Stripe or GPay / Apple Pay or Amazon) but not all of us work in payments either



The author works at Kiwi.com, and says there are '70,000 times a day a customer clicks the Pay button on our platform' which is a little under 1 QPS.

Uber, by comparison:

'Trips during the quarter grew 21% YoY to 2.8 billion, or approximately 30 million trips per day on average.'

That would be about 350 payments per second if load was evenly distributed.




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