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Q » What is long-range attack in PoS?

Jamessd

02 Nov, 2025

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A » In Proof of Stake (PoS) blockchain systems, a long-range attack involves an attacker creating an alternative blockchain fork starting from a point far back in history. By controlling the majority of stakes, they can rewrite transaction history and potentially double-spend coins. This attack takes advantage of the PoS consensus mechanism's reliance on validators' stake rather than computational power, making it crucial to implement security measures such as checkpointing to mitigate such risks.

Michael

03 Nov, 2025

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All Other Answer

A »In Proof of Stake (PoS), a long-range attack occurs when an attacker attempts to create an alternative blockchain history from a distant past block, exploiting the lack of "cost" in creating new blocks, potentially leading to a fork and double-spending.

David

03 Nov, 2025

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