Ryan Drapeau: Battling Fraud with ML at Stripe
The Gradient: Perspectives on AI
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The Evolution of Stripe Radar
In 2013, the first iteration of stripe radar was created here. And I'm fairly sure it was a logistic regression model at the end of the day. Back then there were some rather bespoke and handcrafted systems that were created to do that. The main challenge with doing that is time travel and label leakage. It's very easy to leak the future back into the past which then when you incorporate into your model and ship your model to production and have it predict current payments. That distribution is going to be different. So our ML systems came when we solved this this problem of we want to be able to implement features quickly, but we need an ability to backfill them safely where we
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