Cool. Although, the article mentions that,
The machines offer a number of novel compliance features, including a driver’s license reader and a camera that captures video of users.
A bit concerning, considering the illegal nature of marijuana on the Federal level. Not sure you’d want your likeness captured, and linked to your bitcoin address. We know the Feds love collecting data like that, after all. Two steps forward, one step back? Or one forward, two back? We’ll see.