Oh, yeah, I totally get that. But we're talking 300k vs 70k. I find it hard to believe the programs and infrastructure are worth 75% (adjusting for conversion).
I hate to hijack the thread, but did the European software engineer market ever catch up to American salaries? I interviewed with a German company a few years back and the salary was laughable.
I use a (similar) version of this when I interview people at work (But I use HMAC signing).
The question is basically this: Generate a URL for a website that cannot be tampered with.
This is the reference solution that I give to my reports to use when they are interviewing the candidate...
This is slightly offtopic for this thread, but you can pull (well, slide-out) the ECU and check it. Video Here.
The JB4 is a piggyback and works great with a locked ECU.