Sign-to-Pay Is Not a UX Feature
Sign-to-pay is often described as a better user experience. That’s not what it is, what changes is not how things feel, but how things happen.
In most systems, intent and execution are split.
You approve.
You submit.
You choose gas.
Systems coordinate.
Then the transaction finally settles.
Each step adds delay, confusion, and room for mistakes, Q402 removes all of that.
With Q402, one cryptographic signature is enough. That single signature shows intent and executes it at the same time.
There are no extra approvals.
No follow-up steps.
No manual coordination.
The signature is the instruction.
What you sign is exactly what executes.
What executes is exactly what settles.
And anyone can verify it on-chain.
This isn’t about making things faster or smoother.
Q402 doesn’t improve interaction, it changes execution by joining intent and execution into one action, Q402 removes the gap where systems usually break: the moment between agreement and action.
Sign-to-pay isn’t a convenience feature.
It’s a new way to execute transactions and when execution is tied directly to cryptography, trust no longer depends on people, interfaces, or coordination.
It depends on math, that’s the Q402 model.
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