Andrew Miller, Ahmed E. Kosba, Jonathan Katz, Elaine Shi. Nonoutsourceable Scratch-Off Puzzles to Discourage Bitcoin Mining Coalitions. In Indrajit Ray, Ninghui Li, Christopher Kruegel, editors, Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security, Denver, CO, USA, October 12-6, 2015. pages 680-691, ACM, 2015. [doi]
Abstract is missing.