Abstract
The rapid growth of blockchain technology has introduced new security challenges in decentralized systems. In this paper, we present Block-AD, a Blockchain Attack-Defense Capture The Flag (CTF) competition aimed at improving smart contract security skills and addressing evolving security threats in Next-Web3 environments.
Unlike traditional CTF competitions, participants engage in attack and defense actions to exploit vulner- abilities and protect their smart contract services. This game-based approach concludes with rewards distributed from the competition’s vault and the allocation of non-fungible tokens (NFTs) as proof of par- ticipation. This approach aims to provide a fun and engaging way to improve the security skills of all participants, as well as to identify and fix vulnerabilities in smart contracts.
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