Knowing whether a human generated something is not as important as knowing which human did, and in what dimensions they are trustworthy as determined by other humans that the user has designated trustworthy for making such assessments.
We don't need a proof of human toil, we need a web of trust.
![Wikipedia entry:
Currencies used to trade oil
As the world's dominant reserve currency, the United States dollar has been a major currency for trading oil.[10][11] In August 2018, Venezuela joined the group of countries that allow their oil to be purchased in currencies other than US dollars, thus allowing purchases in Euros, Yuan (Petroyuan) and other directly convertible currencies.[3] Other nations that permit this include Iran.[12]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:lilwpqm3qv7yidf2gkrny42d/bafkreibria2vfjz4qc4yfdzonoiwmadncma75pjjpie6mvds5ksgz6viz4)
