In one embodiment, non-transitory computer-readable medium stores instructions for establishing a trusted two-way communications session for account creation for an online store, which include instructions for causing a processor to perform operations comprising retrieving and verifying a signed configuration file from a server, requesting a communication session using the configuration file, receiving a payload of account creation forms from a network client, signing the payload according to the server configuration file, and sending the signed payload containing account creation information to the server. In one embodiment, a computer-implemented method comprises analyzing timestamps for requests for data forms for supplying account creation information for evidence of automated account creation activity and rejecting the request for the locator of the second account creation form if evidence of automated account creation activity is detected. Methods for secure account authentication and asset purchase are also disclosed.