<p dir="ltr">La butto lì. Forse è un concetto che non va tradotto?</p>
<p dir="ltr">&lt; <a href="http://en.wikipedia.org/wiki/Proof-of-work_system">http://en.wikipedia.org/wiki/Proof-of-work_system</a>&gt;</p>
<p dir="ltr">&lt; <a href="http://it.wikipedia.org/wiki/Proof-of-work">http://it.wikipedia.org/wiki/Proof-of-work</a>&gt;<br></p>
<p dir="ltr">Ciao<br>
A. <br>
</p>