The $900 million wire that wasn't final
Summary
Patrick McKenzie argues that payment finality is a socio-legal construct rather than an absolute technical reality, using the 2020 Citibank error where $900 million was mistakenly wired to Revlon lenders as a case study. He explains how industry norms like "hold harmless" typically resolve such errors, but how New York law initially allowed lenders to keep the funds, causing a multi-year legal battle that ended with the money being returned. The episode also compares how the UK, India, and Japan handle payment reversibility and fraud, highlighting that even when regulations attempt to defin…
Topics discussed
Introduction: The Citibank $900M wire error
Defining finality as a techno-social construct
Bitcoin reversals and the power of the state
Predictability and dispute resolution in payment rails
Fedwire vs. Amex: Competition and trust overlays
Regulation E and the finality of Zelle transfers
The 'Hold Harmless' ritual for reversing wires
Anecdote: International wire errors and SWIFT codes
Designing future finality guarantees
The Revlon/Citibank case: How the error occurred
Legal battle: Discharge for value defense and appeals
US real-time payments: Zelle, FedNow, and RTP
UK approach: Bank liability for APP fraud
India's UPI fraud reversal and mule accounts
Japan's approach: Kumimodoshi and user education
Conclusion: The cat-and-mouse game of fraud
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