Raw SignalOct 8, 20261 min read1 source

Putting a Transformer Inside Every Card Authorization

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Ramp says its card transformer reads each cardholder’s previous transactions in real time at every card authorization.

The company reports that a model built on this approach ranks fraud 14% better than its predecessor and catches 32% more fraud dollars while flagging the same number of transactions. The figures are Ramp’s reported results; the source does not establish independent validation or generalizability beyond its system.

Evidence / sources

  1. 1builders.ramp.com/post/sequence-aware-card-fraud
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