Abstract: Methods and systems for providing reward based verified recommendations. A method disclosed herein includes broadcasting a recommendation request to a plurality of registered users, on receiving the recommendation request from a customer. The method further includes receiving and verifying an input from at least user of the plurality of users in response to the broadcasted recommendation request using a blockchain. The received input relates to the recommendation request and the input includes at least one of at least one service provider and at least one service provided by the at least one service provider. The method also includes issuing reward points (RPs) to the at least one user who has provided the input and the service provider who is included in the input on verifying the input. The method further includes providing at least one recommendation to the requested customer using the verified input and maintained previous recommendations.

Abstract: Embodiments disclosed herein relate to cryptology, and more particularly to secure sharing of data objects stored in the at least one cloud device between two user devices using the PRE. Embodiments herein disclose methods and systems for enabling a first user device to subscribe with a key server for uploading encrypted data object to at least one cloud device using the PRE. Embodiments herein disclose methods and systems for allowing the first user device to share the encrypted data object stored in the at least one cloud device with a second user through the key server using the PRE.