Please give me an ethereum use case &amp; I&#x27;ll try to tell you how you can do it with bitcoin.<p>I have previously answered a few use cases here [<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10846788" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10846788</a>]