[overcast]

You're either trolling, or just being completely naive not to fear the IRS. If there is ANY agency you should fear, it's the Internal Revenue Service. They have infinite resources, and it might take a while, but they will get their money in the end.

[charlesdm]

If you declare taxes, you have very little to fear. If you use potential loopholes, be aware you might need to consult a tax lawyer and go to court. But again, if you are aware of this, aside from your final legal bill, you have nothing to fear.

[overcast]

That's the whole point of this discussion. People aren't declaring their crypto gains.