You wont need cash to buy weed in Hawaii.There is an app named "CANPAY" that uses a QR CODE.The app actually links to the patients checking account allowing them to buy Medical MARIJUANA.
Started October 1,all the eight Dispensaries in HAWAII has implemented the system because MARIJUANA is against Federal Law,few banks or Credit Companies will Work with WEED businesses since people have to pay in cash.But with CANPAY dispensaries can now pay Employees,sell their product,Collect and remit Taxes and even can Pay vendors that all digitally.
The System will not only make purchases easier for Customers,but will likely make Dispensaries Safer.As Cash-only Businesses often see increased crime