[AlunAlun]

Of course they can take a cut, just like any physical copy second hand reseller takes a cut. The trick will be demonstrating ownership of digital goods, which is the industry is beginning to invest in things like blockchain tech.

[SyneRyder]

I think I worded my question badly (or I misunderstood the person I was replying to). I thought they were suggesting Valve / Steam would be the only place the sale / transfer could happen.