First, humans exchanged commodities. You could eat it, burn it for energy, modify it to create tools or jewelry. You exchanged something useful for something useful.
* It was energy.
Then, humans exchanged commodities for gold. You couldn't eat it or burn but it was still possible to modify it.
* It was poor energy.
Then, humans used papers checks or bank notes. It wasn't very useful, but you still could burn it during a very cold winter.
* It was very poor energy.
Now, we wants to use Cryptocurrencies. You can't do anything with it.
* It is not energy but proof of destruction of energy.
Something looks wrong. We should exchange potential energy, not destroyed energy.
If you're that really into fair exchanges of energy then go back to the stone ages or wait for a meteor to hit earth. We are in the electronic age now so you need to accept that we need an efficient currency online to trade with.