Bitcoin Alpha trust weighted signed network

Dataset information

This is who-trusts-whom network of people who trade using Bitcoin on a platform called Bitcoin Alpha. Since Bitcoin users are anonymous, there is a need to maintain a record of users' reputation to prevent transactions with fraudulent and risky users. Members of Bitcoin Alpha rate other members in a scale of -10 (total distrust) to +10 (total trust) in steps of 1. This is the first explicit weighted signed directed network available for research.

Dataset statistics
Nodes	3,783
Edges	24,186
Range of edge weight	-10 to +10
Percentage of positive edges	93%

Similar network from another Bitcoin platform, Bitcoin OTC, is available here.

Source (citation)

Please cite the following paper if you use this dataset:

• S. Kumar, F. Spezzano, V.S. Subrahmanian, C. Faloutsos. Edge Weight Prediction in Weighted Signed Networks. IEEE International Conference on Data Mining (ICDM), 2016.
• S. Kumar, B. Hooi, D. Makhija, M. Kumar, V.S. Subrahmanian, C. Faloutsos. REV2: Fraudulent User Prediction in Rating Platforms. 11th ACM International Conference on Web Searchand Data Mining (WSDM), 2018.

The following BibTeX citations can be used:

@inproceedings{kumar2016edge,
  title={Edge weight prediction in weighted signed networks},
  author={Kumar, Srijan and Spezzano, Francesca and Subrahmanian, VS and Faloutsos, Christos},
  booktitle={Data Mining (ICDM), 2016 IEEE 16th International Conference on},
  pages={221--230},
  year={2016},
  organization={IEEE}
}

@inproceedings{kumar2018rev2,
  title={Rev2: Fraudulent user prediction in rating platforms},
  author={Kumar, Srijan and Hooi, Bryan and Makhija, Disha and Kumar, Mohit and Faloutsos, Christos and Subrahmanian, VS},
  booktitle={Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining},
  pages={333--341},
  year={2018},
  organization={ACM}
}

The project webpage for this paper, along with its code to calculate two signed network metrics---fairness and goodness---is available here.

Files

File	Description
soc-sign-bitcoinalpha.csv.gz	Weighted Signed Directed Bitcoin Alpha web of trust network

Data format

Each line has one rating with the following format:

where

• SOURCE: node id of source, i.e., rater
• TARGET: node id of target, i.e., ratee
• RATING: the source's rating for the target, ranging from -10 to +10 in steps of 1
• TIME: the time of the rating, measured as seconds since Epoch. (This can be converted to human readable data easily as described here)