An access control system may include one or more computer processors; a memory, wherein the memory comprises an entitlement database of a resource access manager; a network communication device; and an access control module stored in the memory, executable by the one or more computer processors. The access control module may be configured to: perform the steps of: receiving a request to add one or more entitlement data records to a distributed electronic ledger; validating the one or more entitlement data records; appending the one or more entitlement data records to the distributed electronic ledger; and verifying a first entitlement data record stored in the entitlement database by comparing the first entitlement data record with a first corresponding entitlement data record stored in the distributed electronic ledger, wherein the first entitlement data record and first corresponding entitlement data record are both associated with a first user.