TCS SE contain many old questions without any answer. I think it is a good idea to allow offering cash-prizes for those questions.

Should we allow offering cash prizes for solving problems without any answer?

EDIT: What is the official StackExchange policy on offering cash prizes?

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    $\begingroup$ Who provides the cash? How will the cash be paid? What about taxes? $\endgroup$ – Dave Clarke Mar 17 '13 at 21:59
  • $\begingroup$ Anyone interested in the answer can provide the cash. Personally, I have couple of questions that I love to offer cash prizes. Payments could be made by checks or wire transfer. Here, we do not have taxes ;) $\endgroup$ – Mohammad Al-Turkistany Mar 17 '13 at 22:40
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    $\begingroup$ way cool idea!! =) but unlikely to "fly" on stackexchange. another simple option is to offer rewards on a web page & cite the questions via urls. it would also be neat if math/cs foundations [there are several] offered small rewards for open problems for incremental progress, outside of the "gamechanger" level problems like claymath. $\endgroup$ – vzn Mar 18 '13 at 0:18
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    $\begingroup$ see also mathoverflow open problems with monetary awards and also note Erdos offered many awards although it is difficult to find a published list. Knuth also offered prizes. $\endgroup$ – vzn Mar 18 '13 at 15:30
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    $\begingroup$ There has been long discussion about this on meta.MO. If someone want to do so on say his own website they can do so but based MO meta discussions I think it is not a good idea to provide cash prized on cstheory. $\endgroup$ – Kaveh Mar 18 '13 at 21:15
  • $\begingroup$ note, esp if the problems are at a medium level of difficulty & not extremely difficult (which would tend to discourage attempts), this also fits in with site promotion $\endgroup$ – vzn Mar 18 '13 at 22:06

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