(TBC)
TASCOM trade bank credits are the only universal and untraceable digital currency used in human space.
The trade bank has origins dating back to the days of the ICL, when they needed a way to regulate commerce and provide a stable currency across all markets.
The five major superpowers and other independent colonies have their own monetary systems, but all inter-system transactions will route through the trade bank.
TASCOM maintains the bank with their semi-autonomous authority. It is largely supported due to its untraceable nature, of which many corporations and governments often have need of.