Patent ID: 9386005
Filing Date: 2016-07-05
CPC Classification: H04L,H04W

Claim Text:
1. A method for data communication over a network, comprising: identifying one or more first users located within a preset range of a location of a second user, the identification being based on second user location information and first user location information; comparing an authorization code in a data request received from the second user with one or more exchange codes pre-allocated to the one or more first users who are located within the preset range of the location of the second user; verifying validity of the authorization code, comprising: in the event that, among the one or more exchange codes pre-allocated to the one or more first users who are located within the preset range of the location of the second user, an exchange code that matches the authorization code exists, and the authorization code is determined to be valid: in the event that an exchange code that matches the authorization code does not exist or the authorization code is determined to be invalid, refusing a data exchange between the second user and the first user.