System crash snarls dispensary sales on 4/20, the biggest marijuana holiday of the year

A point-of-sale system powering Colorado dispensaries went down Tuesday on the biggest marijuana holiday of the year.

Denver-based FlowHub said an outage caused by a third-party authentication service caused the service to crash on April 20, colloquially known as 4/20.

It’s unclear how many dispensaries in the state have been affected and a company representative was not immediately available for comment.

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