They are not.

The transaction order number is the order number of the payment system, which is generated by the payment system and passed back to the merchant during callback. It is used for callback and can also query the order status. The merchant order number is the order number of the merchant platform, which is generally generated on the merchant platform. You can design your own rules, such as generating random numbers through hours, minutes, and seconds. Orders are generally not repeated.

The transaction order number records the flow of funds generated by online transactions. It is generally only used for reconciliation between banks and payment platforms. Individuals generally do not use this order number.