US Patent 11593801 Systems and methods for improved verification of transactions

A method for implementing transactions includes receiving, by a first computing system, a transaction request from a second computing system, the transaction request indicating a first account number that is an alias of a transaction account having a second account number, and specifying a transaction. The method further includes determining the second account number by referencing a data structure that associates the first account number and the second account number, determining a verification policy associated with the second account number, and transmitting a verification challenge based on the verification policy. The method yet further includes receiving a response to the verification challenge, determining to authorize the transaction request based on the response to the verification challenge, and implementing the transaction involving the transaction account specified by the transaction request.