[whymarrh]

There are platforms that don't use PoW that are becoming quite popular. The NBA's Top Shot platform is built [on Flow](https://www.onflow.org/primer) which does not use PoW.

I'm not making _any_ claim about the worthiness/sustainability of the platform, just that it is what is being used. The list of "communities" on the Flow landing page suggests that it's being considered for a couple of high-profile platforms.

> today when you sell crypto art it's PoW.

I think more specifically when you sell crypto art on a platform that uses PoW, which makes this sentence a truism.