Shot himself in the foot
I can't help but feel that the guy has shot himself in the foot here. If we assume that he has ucovered a serious floor in several hundreds of millions of handsets, €20,000 seems a pittance. Lets face it, if Nokia does stump up the cash they will just share the costs with Sun and/or other interested parties and it's a drop in the ocean to such companies.
On the other hand, he's now marked his card as an unethical hacker/blackmailer and €20k isn't going to get him very far. It's barely six months average wages!
I can't help but think he would have been much better off setting up a company and "hiring" himself to Sun/Nokia as a "consultant" at some rediculously high rate. That way he gets a foot in the door, some decent cash AND maintains/improves his reputation.
Unless, of course, he tried that, they told him to get lost and now he's getting desperate to make some money from his discovery.