&gt; Because if somebody can spend $1mln to perform 51% attack and move around $1bln, that will likely be done.<p>This attack allows double spending and censorship. It does not allow to directly steal someone&#x27;s BTC.<p>&gt; Also, when a bank charges me 1% for a wire transfer, they pay salaries from that money and some people buy food.<p>And horses are pissed at cars.<p>&gt; The power burnt by BitCoin is actually literally immediately irrecoverably physically wasted.<p>No, it is not. It buys security in a way which traditional banking is not capable of providing.