The usual way of explaining checkout abandonment frames it mainly as an engineering issue. Forms are overly complicated. Key payment options are missing. The mobile flow is sluggish. Fix the technical friction, and the lost revenue will come back. This assumption has fueled a whole ecosystem of checkout optimization platforms and A/B testing initiatives. Yet, despite real improvements in checkout UX, average eCommerce cart abandonment has stayed above 70% for years. The technical hurdles are being reduced. The abandonment persists. This article is part of Branding Strategy Insider’s FREE newsletter. Join the world’s sharpest marketers and subscribe here to get actionable insights delivered straight to your inbox. The core problem is that this diagnosis is only partial. For most brands, checkout abandonment is less a mechanical issue and more a brand issue. What The Payment Step Really Measures By the time a shopper reaches the payment screen, they have already decided to buy. They know what they want. They understand the price. They have identified a reason to choose this brand instead of other options. The mental work of deciding is largely complete before they type in their card details. What the payment step actually demands is a reaffirmation of that choice under conditions of elevated uncertainty. They are being asked to hand over sensitive financial data to a company they may have discovered only hours or days earlier. The dominant emotion in that instant is not assurance; it is exposure. And when people feel exposed, they instinctively search for reasons to hesitate. The cues customers look for…