Marijuana vending machines have long been rumored to debut en masse in certain US states, but the first machine that can be accessed directly by consumers was finally unveiled at an invite-only event in Colorado last week.

Billed as the first marijuana vending machine in America, the ZaZZZ unit is perhaps more accurately described as the first machine that will not be placed behind a sales counter. It offers a number of novel compliance features, including a driver’s license reader and a camera that captures video of users.

ZaZZZ machines also have another notable feature: they accept only a limited number of payment options including the ZaZZZ Card, cash, and perhaps most notably, bitcoin.

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