| Keyword | Frequency | Centrality | Keyword | Frequency | Centrality |
| bjg data | 15 | 0.28 | design | 6 | 0 |
| blockchain | 14 | 0.1 | internet | 6 | 0 |
| information security | 8 | 0 | management | 6 | 0.04 |
| model | 8 | 0.07 | bitcoin | 5 | 0.03 |
| system | 7 | 0 | data management | 5 | 0 |
| risk | 7 | 0.04 | cyber security | 5 | 0.04 |
| framework | 7 | 0.25 | information system | 5 | 0.02 |
| security | 7 | 0 | smart contract | 5 | 0.07 |