Settlement speed has quietly become one of the most consequential performance metrics in crypto. What was once treated as a back-end concern is now a front-line competitive feature. Builders are racing to minimize finality times. Investors are asking harder questions about latency. And users, increasingly accustomed to real-time everything, have little patience for delays that once seemed inevitable.

This didn’t emerge from a single breakthrough. It accumulated through the combination of faster Layer-1s, maturing Layer-2 rollups, and a stablecoin ecosystem that has grown into a general-purpose settlement layer. The result is an industry recalibrating around a simple premise: if funds can clear in seconds, there is no reason to accept…