Because Bitcoin isn&#x27;t money. It&#x27;s a contract and notary system. A single satoshi can be used to publicly and programmatically set, satisfy, and extend a private contract in whole or part. The potential applications of this technology are mind blowing. Smart contracts are Bitcoin&#x27;s killer app. Most people just don&#x27;t know it yet.<p>The way 21 is positioned on this page is (I&#x27;d say poor) marketing meant to sell these devices to developers who aren&#x27;t yet sold on the next thing in Bitcoin (i.e. smart contracts). The story told on this page and the roadmap they&#x27;re showing investors is completely different. Just wait.<p><a href="https:&#x2F;&#x2F;www.google.com&#x2F;search?tbm=nws&amp;q=bitcoin+%22smart+contracts%22" rel="nofollow">https:&#x2F;&#x2F;www.google.com&#x2F;search?tbm=nws&amp;q=bitcoin+%22smart+con...</a>