Cryptography 55 Internet of things 17 Network security 14 Public key cryptography 13 Authentication 12 TK Electrical engineering. Electronics Nuclear engineering 11 QA75 Electronic computers. Computer science 10 Quantum cryptography 10 Security 10 Security of data 8 Block-chain 7 Blockchain 7 Digital storage 7 security 7 Information management 6 blockchain 6 Computer security 5 Data privacy 5 Efficiency 5 Encryption 5 Quantum optics 5 Trusted computing 5 computer security 5 Cloud computing 4 Coding theory & cryptology 4 Cyber security 4 Cybersecurity 4 Field programmable gate arrays (FPGA) 4 Hardware architecture 4 Hash functions 4