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by geofft
3115 days ago
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What do you mean by "invalid"? My impression is that if you control 51% of the mining power and have at least some amount of control over the physical network path to your victim (e.g., ability to inject RST packets), you can execute double-spend attacks. Are double-spend attacks not a concern? If they are not a concern, why do we need so much computational capacity for mining? |
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