CONSERVING COMPUTING RESOURCES DURING IDENTITY VALIDATION VIA A LAST USED ACCOUNT

Examples provide consumer identity validation (CIV) via last used payment card, improving management of payment infrastructure resources. Examples enable the consumer to more efficiently complete CIV via at least one of a last used account or a last used card. By not requiring consumers to repeatedly go through the entire CIV process at each transaction at the same merchant when using the exact same card they used on a previous visit, excessive and unnecessary strain on the infrastructure is reduced, preventing degradation of the infrastructure. This enables allocating fewer computing resources to CIV, making deployments utilizing low-power or otherwise constrained equipment simpler and easier to maintain. Thus, scaling is enhanced. Individual CIV performance is more efficient, and less computing resources and energy are required across the entire infrastructure. A greater number of CIV transactions are executable in parallel, reducing transaction processing delays, bolstering stability, and reducing error rates.