Visa Verify

Visa Verify won the Visa Truth and Trust track at HackHarvard 2025. The Chrome extension scores checkout risk from behavioural biometrics, device history, and other signals so merchants can catch fraud without extra friction for good buyers.

Contributions

• Built the extension-side capture of behavioural and device signals at checkout.
• Scored sessions with a multi-factor risk model instead of a single binary rule.

Outcomes

• Visa Truth and Trust Track Prize at HackHarvard 2025.