the answer to "Federal Reserve ending?" would clearly be Yes.

You can't just "end" the Fed (I mean you can, but see below). It has to be systematically dismantled. Money is the Federal Reserve Note. Just going in and shutting down the Fed instantly turns all money into dirty paper. There must be a transition to "real money", or some other real economic barter system with multiple intermediaries of exchange (money) first.

Replying "Structure" to that question suggests the structure of the Fed will be changing, rather than the entire economic system.

The Fed is two things, it's structure, and it's ownership. It is a sovereign entity (like a country/government). The only way to take ownership of The Fed is to declare war on the Bank of International Settlements and take ownership of the whole thing. Once that is done (which may have already been done behind the scenes) then we can rebuild a new economy. If we don't create a transition though (I'm not sure how), the entire worlds economy will completely collapse, it would be quite tragic, maybe people would die as we "figure it out."

All countries monies are just notes from their central banks, which is really just one bank; branches of the Bank of International Settlements. Just imagine what it would be like if all money, all across the world, instantly became worth exactly nothing.