Secure online music distribution system
Secure online purchasing
Secure online purchasing
Secure online transactions using a captcha image as a watermark
Secure single-use transaction numbers
Secure system for printing authenticating digital signatures
Secure system for the issuance, acquisition, and redemption...
Secure ticketing
Secure user certification for electronic commerce employing...
Secure, anonymous authentication for electronic purchasing...
Secured and selective runtime auditing services using a...
Secured commercial transaction
Secured financial transaction system using single use codes
Secured purchasing system
Securely relaying content using key chains
Securely relaying content using key chains
Security and authentication of postage indicia
Security for uniquely generated electronic seals of...
Security system and method for financial institution server and
Security systems and methods applicable to an electronic...