<i>Namecoin doesn&#x27;t match all specific use-cases as documents expire after ~200 days.<p>It also lacks the infrastructure of exchanges, APIs, tools, and software that support Bitcoin.<p>Ultimately we feel that Bitcoin sidechains are a better approach to crypto-currencies than having competing alt-coins.</i><p><a href="https:&#x2F;&#x2F;github.com&#x2F;blockai&#x2F;blockcast#what-about-an-alternative-currency-like-namecoin" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;blockai&#x2F;blockcast#what-about-an-alternati...</a><p>Still waiting on those sidechains...