It's an interesting idea but I don't trust that websites will use "a little bit of my CPU" to mine cryptocurrencies. All they have to do is increase a number so

It's an interesting idea but I don't trust that websites will use "a little bit of my CPU" to mine cryptocurrencies. All they have to do is increase a number somewhere to earn more money which is too tempting. If people complain they'll just do it very slowly.