Selfish Mining in Multi-attacker Scenarios: An Empirical Evaluation of Nakamoto, Fruitchain, and Strongchain. - Martin Peresíni; Tomás Hladký; Jakub Kubík; Ivan Homoliak (Computer Security. ESORICS 2025 International Workshops - DPM 2025, CBT 2025, CyberICPS 2025, Toulouse, France, September 25-26, 2025, Revised Selected Papers, Part I, 2025)