Sotheby's was founded in 1744 (1). They have a track record, a _brand_ to maintain.
Your average blockchain was founded recently, and have a lot less to lose taking the money and running, or popping up again under a new name, for a second go at the same shtick.
Your average blockchain was founded recently, and have a lot less to lose taking the money and running, or popping up again under a new name, for a second go at the same shtick.
1) https://en.wikipedia.org/wiki/Sotheby%27s