I recently lost a significant amount on a swap in exactly the same way: the verification queue lasted past midnight, and by then the rate had already changed. I think most platforms simply build this waiting time into the process, so you don't notice the consequences until they happen.

Few people realize that verification delays and sharply increased fees are usually related to how the platform handles identification requirements. Services that don't collect personal data typically process requests faster because there's no compliance check queue slowing down every transaction. This is well documented in the crypto industry. For example, I suggest checking out the capabilities of a crypto exchange ​https://godex.io/​​​