It can mint coins with 1tn on the front. Whether the Fed has to give them $1tn of bank deposits for that coin is a different matter. Once you have an unbalanc

It can mint coins with 1tn on the front. Whether the Fed has to give them $1tn of bank deposits for that coin is a different matter. Once you have an unbalanced budget of this type, then Treasury dollars become like Canadian dollars. They stop having a 1-to-1 relationship with Fed dollars. Banks have the power of discount, and maintaining a discount between the Fed and the Treasury is how monetary policy is alleged to work.