A few years back, EZ Weed was making the rounds with state legislators and local politicians, hoping to sell them on cannabis vending machines in dispensaries. Among its benefits, the company touted the fingerprint-reading technology the machines use to authenticate users. According to director of operations Richard Dow, “Three different lawmakers asked us, ‘What if someone cuts off someone else’s finger and uses that?”
Instead, EZ Weed opted for a technology that reads the veins pulsing under the fingertip. Everyone’s blood vessels are unique, just as fingerprints are, and the technology, according to Dow, is foolproof. Best of all for swaying paranoid legislators, “There has to be blood running through the finger for it to work,” he said. That is, the finger has to be attached to a living person