Check this video from Vice out - about Dispensary owners in Canada being robbed.
All of the reasons shared in this video build a case for The various marijuana coins. Whether it's Potcoin, Dopecoin, CannabisCoin, HempCoin or others are all ready for use. Dispensaries need to integrate technology into their systems that would allow consumers to pay with Crypto.
Potcoin and CannabisCoin seem most ready
Both have mobile apps that are easy to use inside a dispensary. You can pay with a QR code, merely by swiping your phone similar to Starbucks. Do you or anyone you know use the Starbucks app to purchase from there?
If so then you know how easy it is. The other coins I hope are also working on apps that would make these purchases simple. If not they are missing a huge opportunity. Not sure who works for these companies but, they need someone to go around and speak with dispensary owners.