“Sign-to-pay” isn’t just about making wallets easier to use; it redesigns how transactions are executed. Instead of splitting intent, approvals, gas payments, and submission into separate user actions, @Quack AI Official Q402 unifies them. One cryptographic signature both authorizes the action and enables its on-chain execution. Infrastructure handles validation, sponsorship, and settlement without further user steps. This removes coordination gaps and human delay. The outcome isn’t merely speed or convenience, but deterministic execution where what was signed is exactly what gets executed.