[doctorwhat]

Three letters agencies? Could be a nice way to find out if a foreign entity has an enormous brute-force capability? But more likely I'd say they got their bitcoin back when a core2duo was enough to generate a few of them overnight...

[cmcaleer]

Prize pool would have to be much more than $400k to justify a state actor flexing that kind of capability, NK makes far more than that exploiting DeFi protocols.