Non-equivocation in blockchain: Double-authentication-preventing signatures gone contractual

• Main Authors: LI, Yannan, SUSILO, Willy, YANG, Guomin, YU, Yong, PHUONG, Tran Viet Xuan, LIU, Dongxi
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2021
• Subjects: Equivocation; Blockchain; Digital signatures; Verifiable secret sharing; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/7404; https://ink.library.smu.edu.sg/context/sis_research/article/8407/viewcontent/3433210.3437516.pdf
• Institution: Singapore Management University

Equivocation is one of the most fundamental problems that need to be solved when designing distributed protocols. Traditional methods to defeat equivocation rely on trusted hardware or particular assumptions, which may hinder their adoption in practice. The advent of blockchain and decentralized cry...