<ul><li>Blockchain timestamps can be inaccurate due to the lack of a global clock in the peer-to-peer network, leading to significant drift between miner timestamps.</li><li>Empirical evaluation shows that blockchain-recorded block timestamps are inaccurate, with 7.5% of cases showing negative or zero lag compared to submission time.</li><li>Using Etherscan's live list of newly appended blocks provides a more accurate processed timestamp compared to relying on individual miner clocks.</li><li>Authors of the study include Michael Pacheco, Gustavo A. Oliva, Gopi Krishnan Rajbahadur, and Ahmed E. Hassan from different research labs in Canada. The paper is available under CC BY-NC-ND 4.0 DEED license.</li></ul>

Why Blockchain Timestamps are Inaccurate Sometimes

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