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Tie-Breaking Rule Based on Partial Proof of Work in a Blockchain
March 25, 2024, 4:11 a.m. | Akira Sakurai, Kazuyuki Shudo
cs.CR updates on arXiv.org arxiv.org
Abstract: Numerous methods have been proposed for suppressing intentional forks by attackers in blockchain systems. Among these, last-generated rules, which select the latest chain among chains in a tie, are effective methods that do not require significant changes to the blockchain protocol. However, existing methods either require a trusted third party or rely on timestamps that attackers can manipulate which makes applying a last-generated rule to existing systems such as Bitcoin challenging.
To address these issues, …
arxiv attackers blockchain breaking cs.cr generated latest partial proof proof of work protocol rule based rules select systems work
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