{"id":"W3187896966","doi":"10.1109/tnse.2021.3103558","title":"On Selfholding Attack Impact on Imperfect PoW Blockchain Networks","year":2021,"lang":"en","type":"article","venue":"IEEE Transactions on Network Science and Engineering","topic":"Blockchain Technology Applications and Security","field":"Computer Science","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"Toronto Metropolitan University","funders":"Fundamental Research Funds for the Central Universities; National Natural Science Foundation of China","keywords":"Blockchain; Computer science; Imperfect; Proof-of-work system; Computer security; Block (permutation group theory)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006419019,0.000242507,0.0002031392,0.0002505713,0.000705342,0.000202983,0.0005699439,0.0001379736,0.00001207159],"category_scores_gemma":[0.00001482334,0.0002199314,0.0000880472,0.002477889,0.0001174396,0.0001587537,0.0000129876,0.000584815,0.00001217098],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001515153,"about_ca_system_score_gemma":0.0001223316,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000005900425,"about_ca_topic_score_gemma":0.000004429613,"domain_scores_codex":[0.998119,0.00002236854,0.0001902262,0.0006852215,0.0003401965,0.0006429915],"domain_scores_gemma":[0.9987082,0.0002412739,0.00003861203,0.0007230422,0.00009572927,0.0001931806],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000004527632,0.00005758172,0.000008228556,0.0000035526,0.00001424064,0.0000112218,0.00005958963,0.9762337,0.0007195311,0.008361861,0.0001904316,0.0143355],"study_design_scores_gemma":[0.0001738006,0.0001860127,0.0003470883,0.00006778668,0.000006496025,0.00005534169,0.000008646593,0.9937131,0.004691988,0.0002295595,0.0002697218,0.0002504897],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2776857,0.0001129154,0.7206738,0.0003599871,0.0005152088,0.0001122932,0.000001858024,0.0003314216,0.0002067922],"genre_scores_gemma":[0.9956,0.0001007301,0.003816067,0.0003180784,0.00008347409,0.00003805323,3.249793e-7,0.00001423089,0.0000289941],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7179143,"threshold_uncertainty_score":0.8968542,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007977942728337874,"score_gpt":0.2299145087126569,"score_spread":0.221936565984319,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}