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ECHO: Efficient Off-Chain Payments and Cross-Chain Swaps for Cryptocurrencies
March 25, 2024, 4:11 a.m. | Di Wu, Jian Liu, Zhengwei Hou, Wu Wen, Kui Ren
cs.CR updates on arXiv.org arxiv.org
Abstract: In this paper, we present ECHO, a TEE-based layer-2 solution that tackles two crucial challenges in the realm of cryptocurrencies: off-chain payments and cross-chain swaps. It offers three notable features: - Channel-free off-chain payments: it allows a payer to make direct payments to anyone without requiring any on-chain relationship or intermediary channels. - Real-time yet decentralized cross-chain swaps: it is the first known solution that enables real-time cross-chain swaps without relying on a central server. …
arxiv challenges channel cross-chain cryptocurrencies cs.cr cs.dc echo features free payments realm solution
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