Author

Amit Dvir

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Preprint Sep 2026

Signing the Transaction but Not the Decision: Whisper Attacks and a Binding Defense for AP2

A-VIP (AP2 Verified-Intent Protection), a protocol-layer defense that treats the signed intent as a capability grant rather than judging the merchant's description, is introduced, to address this attack vector.

Yedidel Louck, Amit Dvir, Ariel Stulman · 0 citations