Earlier quoted context omitted.
Having purchased several cryptocurrencies recently, I can attest that I am certainly not acting rationally. But at least I'm having fun!
I should start a business selling thin air. Thin air from France, thin air from Japan, thin air from Mexico, and so on, you can collect them all, it is super fun. Then I could introduce cold captured thin air, warm captured thin air, etc. Wet thin air, dry thin air for year 3. More fun every year. Even better, I should sell just a paper (well, an electronic one) stating you own some thin air. Hey, geeks, how cool can…
In the performance piece, Zone de Sensibilité Picturale Immatérielle (Zones of Immaterial Pictorial Sensibility) 1959–62, he offered empty spaces in the city in exchange for gold. He wanted his buyers to experience The Void by selling them empty space. In his view this experience could only be paid for in the purest material: gold. In exchange, he gave a certificate of ownership to the buyer. As the second part of the piece, performed on the Seine with an Art critic in attendance, if the buyer agreed to set fire to the certificate, Klein would throw half the gold into the river, in order to restore the "natural order" that he had unbalanced by selling the empty space (that was now not "empty" anymore). [1]
[1] https://en.wikipedia.org/wiki/Yves_Klein
[2] https://en.wikipedia.org/wiki/Zone_de_Sensibilit%C3%A9_Pictu...