A credit crisis is a situation where loans, including short term lending between financial institutions, are so limited that day-to-day operations of the financial system are at risk of grinding to a halt.
A shadow banking system is the group of financial intermediaries facilitating the creation of credit across the global financial system but whose members are not subject to regulatory oversight. The shadow banking system also refers to unregulated activities by regulated institutions.
Hard money is a term often used to describe a funding stream originating from a government agency or other organization. The flow of funds represents an ongoing and scheduled series of payments, rather than a one-time grant.