That&#x27;d be a proof-of-stake coin. They exist. You&#x27;re thinking of in proportion to their percentage of the network mining power. Which for a pool (cartel?) can be sizable.<p>But that it is more akin to controlling the post-office than controlling the bank. People can be inconvenienced but not stolen from (except in certain cases with confederates of the post-master) and those can be guarded against more easily than avoiding phishing email from &quot;your bank&quot;.