US Patent 10438198 Derived unique token per transaction

Examples described herein relate to systems, apparatuses, and methods for using tokens between two entities comprising a client device and a server, including receiving, by the server, a token from the client device, wherein the token is unique to a transaction, deriving, by the server, a server-derived token from the original data based on a transaction count, wherein the transaction count corresponds to a number of times that the original data is involved in transactions, comparing, by the server, the received token with the server-derived token, and responsive to determining that the received token and the server-derived token are same, sending, by the server, a verification message.