Research Article
Blockchain-Based Cyber Threat Intelligence Sharing Using Proof-of-Quality Consensus
| Notations | Description |
| | CTI feed source, | | CTI feed, | | Validator, | | Quality parameter, | | Validator selection mechanism | | Max number of validators for consensus | | Squared deviation from the mean | | Validator rating against quality parameters | | Mean rating value per quality parameter | | Validator performance | | Interim evaluation of CTI feed | | Enriched evaluation of CTI feed | | Validator performance matrix per block | | Validator reputation | | Stored CTI feed evaluation per block | | Validator reputation | | CTI feed source reputation | | Ordered list of validator performance | | Matrix of | | Aging factor | | Fading factor |
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