GumSwap: Griefing-Free Universal Multi-Party Atomic Swaps

Published in IEEE International Conference on Distributed Computing Systems (ICDCS 2026), 2026

CORE 2026 A CCF 2026 B

A universal multi-party atomic-swap protocol that prevents griefing attacks while supporting cross-chain exchanges.

Dongkun Hou, Yuanzhe Zhang, Shujie Cui, Tsz Hon Yuen, Joseph K. Liu, and Jiangshan Yu. “GumSwap: Griefing-Free Universal Multi-Party Atomic Swaps.” In Proceedings of the 46th IEEE International Conference on Distributed Computing Systems (ICDCS 2026), pp. 1213–1223, 2026.

GumSwap is a universal multi-party atomic-swap protocol for cross-chain cryptocurrency exchanges. It protects compliant parties against griefing attacks by ensuring that a party whose asset is locked but not redeemed receives a premium.

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