When Californians voted last year to legalize recreational use of marijuana as of Jan. 1, 2018, they likely assumed that given nearly 14 months of lead time, state government was up to the task of setting up a framework for a new era of legal pot sales.

Instead, the Brown administration still hasn’t resolved the most obvious problem: Banks fearful of federal regulators who note that marijuana remains illegal under federal law won’t take deposits from and provide services to businesses which make money off pot. Creating a multibillion-dollar industry without giving it access to banks is a recipe for an epidemic of armed robberies. All-cash industries also are hotbeds of corruption.