André Herrera (Courtesy photo) (This is a contributed guest column. To be considered as an MJBizDaily guest columnist, please submit your request here.) For most of its state-legal life, the cannabis industry has relied on a series of workarounds in lieu of traditional payment systems such as debit and credit cards. Operators have relied on cash, cashless ATMs, and loosely coded merchant accounts as an approximation of what other businesses take for granted.