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Abstract With the increasing development of blockchain technology, numerous blockchain structures and tokens have been created. However, due to the independent nature of these chains, the concept of "cross-chain" was introduced to enable interoperability between them. Unfortunately, the development of cross-chain technology has resulted in numerous technical vulnerabilities, leading to significant losses of assets and disclosure of private data. Additionally, mainstream cross-chain schemes such as relay chain and security committee have become increasingly centralized, resulting in significant risks and the potential for collusion attacks. Therefore, in this paper, we propose the Anti-Attack Protocol Slot (AAPS) scheme to ensure the security of cross-chain interactions. This scheme is designed to resist multiple types of network attacks without requiring additional third-party centralized nodes or security boards. Through experiments, we demonstrate the reliability of AAPS. In summary, this paper proposes a novel approach for enhancing the security of cross-chain interactions, thereby addressing the technical vulnerabilities associated with current cross-chain schemes. The AAPS scheme provides a decentralized solution that can effectively protect against various network attacks.
Mao et al. (Mon,) studied this question.