FIELD: physics, computer engineering.
SUBSTANCE: invention relates to means of protecting identification information of wireless device users when performing various operations with service providers. A method of offering anonymous incentive based context to service providers includes delivering context information of a user to the service provider, wherein prior to delivery of the context information to the service provider, the context is anonymised by removing identifying information and aggregating it with context from additional users. A system and a computer-readable data medium enable to carry out the disclosed method.
EFFECT: safer operations owing to context information anonymisation.
23 cl, 8 dwg
