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It was decided that the solution would be kept secret until the 15th of May, when the time-capsule shall be opened.

As the problem states: there's a number allowing to factorize n. There's also a little message.



A dedicated ASIC based on MOS current mode logic (MCM) in normal 14nm should get at least 10x higher speed than that FPGA. You'd probably be thermal limited to, say 100 Adders in parallel working on partial products (full-width) clocked to 10~20 GHz (power is basically linear in frequency and a 1GHz adder consumes ~ 40 mW). That gives you a base multiplication speed of 0.5~1GHz and 40~80W power consumption. AFAIK their FPGA runs at ~65MHz.




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