From Rolling Stone:

The size of the state-legal cannabis market — projected to grow to $30 billion by 2025 — is getting too big for banks to avoid risk under current law, argues senior fellow R.J. Lehmann: “It’s so large that even banks that have eschewed the business can’t help but be enmeshed in it,” he writes. “Whenever a mortgage is written for an electrician who did work for a dispensary, there is a nexus with this gray market.”