Hedging Against Sore Loser Attacks in Cross-Chain Transactions

Hedging Against Sore Loser Attacks in Cross-Chain Transactions
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DOI：
10.1145/3465084.3467904
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发表时间：
2021-05
期刊：
Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing
影响因子：
--
通讯作者：
Yingjie Xue;Maurice Herlihy
Yingjie Xue;Maurice Herlihy
中科院分区：
其他
文献类型：
--
作者：
Yingjie Xue;Maurice Herlihy

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当一方决定中途停止参与，导致其他各方的资产长期被锁定时，跨区块链商业中的输不起攻击就会上升。虽然不能完全消除输不起的人攻击的脆弱性，但可以将其降低到任意低的水平。本文提出了一种新的分布式协议，用于在同步通信模型中对冲一系列跨链交易，如两方互换、n方互换、代理交易和拍卖。
A sore loser attack in cross-blockchain commerce rises when one party decides to halt participation partway through, leaving other parties' assets locked up for a long duration. Although vulnerability to sore loser attacks cannot be entirely eliminated, it can be reduced to an arbitrarily low level. This paper proposes new distributed protocols for hedging a range of cross-chain transactions in a synchronous communication model, such as two-party swaps, n-party swaps, brokered transactions, and auctions.