| { |
| "name": "bitcoin-otc", |
| "sources": [ |
| { |
| "url": "https://snap.stanford.edu/data/soc-sign-bitcoinotc.csv.gz", |
| "final_url": "https://snap.stanford.edu/data/soc-sign-bitcoinotc.csv.gz", |
| "filename": "soc-sign-bitcoinotc.csv.gz", |
| "bytes": 397258, |
| "sha256": "6424ac981dad3a019f697fc1b9fcd85c19d8d9f039797758e9ffb6fea100c373", |
| "downloaded_at": "2026-07-23T02:14:57+00:00" |
| } |
| ], |
| "title": "Bitcoin OTC Trust Network", |
| "band": "small", |
| "label_type": "anomaly", |
| "task": "Fraudulent-user detection (derived labels)", |
| "license": "SNAP research use; cite", |
| "citation": "Kumar, Spezzano, Subrahmanian, Faloutsos. Edge Weight Prediction in Weighted Signed Networks. ICDM 2016. Labels: Kumar et al. REV2, WSDM 2018.", |
| "links": [ |
| "https://snap.stanford.edu/data/soc-sign-bitcoin-otc.html" |
| ], |
| "conversion": { |
| "script": "convert_bitcoin_otc.py", |
| "label_column": "trust_label", |
| "labeling_rule": { |
| "method": "Recursive Web-of-Trust (REV2/Fraudar recipe, TAS-GNN operationalization)", |
| "normalization": "rating / 10 -> [-1, +1]", |
| "seeds": "top-5 PageRank nodes of the positive subgraph (founder proxies)", |
| "benign": "recursive: any rating >= +0.5 (raw +5) from a Benign node", |
| "fraudulent": "any rating <= -0.5 (raw -5) from a Benign node; negative ratings from non-benign raters ignored", |
| "seed_ids": [ |
| 1, |
| 7, |
| 35, |
| 1810, |
| 2642 |
| ], |
| "benign_count": 636, |
| "fraudulent_count": 614, |
| "unknown_count": 4631 |
| }, |
| "notes": "Derived 3-class trust_label (benign/fraudulent/unknown) via the recursive Web-of-Trust recipe; evaluate classifiers on the labeled subset only, egonets use the full graph. Rated-pair structure symmetrized; rating signs/weights and timestamps not carried into edges. Label-only nodes.csv: rating aggregates would leak the derived label.", |
| "parquet": true |
| }, |
| "graphs": { |
| "default": { |
| "nodes": 5881, |
| "edges": 21492, |
| "label_column": "trust_label", |
| "classes": 3, |
| "class_counts": { |
| "unknown": 4631, |
| "benign": 636, |
| "fraudulent": 614 |
| }, |
| "isolated_nodes": 0, |
| "feature_columns": 0 |
| } |
| } |
| } |
|
|
