Data privacy Privacy 8 Internet of things 6 Big data 5 Block-chain 5 Blockchain 5 Privacy protection 5 Cryptography 4 Digital storage 4 Federated learning 4 Information management 4 Learning systems 4 Cloud computing 3 Data protection 3 Data transfer 3 Distributed ledger 3 Information systems 3 Mobile applications 3 Privacy-preserving techniques 3 Security and privacy 3 Artificial intelligence 2 Cloud-computing 2 Compliance control 2 Computational modeling 2 Costs 2 Differential privacies 2 Environmental security 2 GDPR 2 Hyperledg fabric 2 Hyperledger Fabric 2