A method executed by a mobile apparatus for verifying event information to be shared is disclosed. The method includes communicating with a nearby mobile or immobile apparatus to generate a verification in response to encountering the nearby mobile or immobile apparatus. The method also includes verifying existence of an incident event in response to arriving at a place of the incident event. The method further includes publishing a verified incident event in order to add into an incident event distributed ledger used for managing event information related to the incident event.