&gt; we could try to create infrastructure around bitcoin which would solve the problems<p>Of course you could try, but (I predict) you will fail.  The problems I&#x27;ve cited are <i>fundamental</i> problems that are built in to the bitcoin protocol <i>by design</i>.  You can&#x27;t patch your way around them.<p>For example:<p>&gt; which has nice UI and double checks everything<p>How exactly are you going to &quot;check everything&quot;?  Remember, you have to get it 100% correct.  Failures are completely unacceptable because failures are completely unrecoverable.