There are now these pages on this site that speak of a Bank Keeper.

A matter of Promptness, Kept, Unprompt Banks, Kept Banks, Domains and Space Banks,
The Stonewall Defense, This is a promising but premature approach. (needs title),
Confinement bug; Bank Allocation, The Frame Perspective, Plan 18, Plan 19, Keepers.

These need review and conflict resolution if possible.