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Distributed Checksum Clearinghouse
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<h2 id="history">History</h2> <p>According to the official DCC website: </p> <p>The DCC is based on an idea of <a href="/facts/Paul_Vixie/wsagrYzy">Paul Vixie</a> and on fuzzy body matching to reject spam on a corporate firewall operated by Vernon Schryver starting in 1997. The DCC was designed and written at Rhyolite Software starting in 2000. It has been used in production since the winter of 2000/2001. </p> <h2 id="external-links">External links</h2> <ul><li><a href="https://www.rhyolite.com/dcc/">Official website</a> </li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Distributed Checksum Clearinghouses official website <a href="http://www.rhyolite.com/dcc/" target="_blank">http://www.rhyolite.com/dcc/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>