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by upofadown 1067 days ago
The author of the paper had a problem. His elliptic curve method seemed like it might overtake the best known algorithm at the time for factoring. So the conservative estimate takes that into account. The elliptic curve method never managed supremacy so the optimistic estimate is actually more relevant. That means that the actual prediction is 2040 but it seems the various national cybersecurity entities might of missed that point.