New Types of currency: Imperial Yuen, Russian Ruble, and People's Coin.
New Variant's of Chyen: NLM, Saedor Krupp, ViriiSoma, Skywatch, ZMI, Genetek, etc.
Any cash transaction would exchange chyen variations. People paid out of a corporation would naturally have their specific variation of chyen.
Withmore Savings Bank would ONLY accept Chyen.
Each cultural center would deal openly in their variation of currency as well as chyen.
Markets would accept all forms of currency but the conversion would change from stall to stall.
Syndicates would have better access to their currency.
A large scale money converter would exist somewhere in Red Sector.
If you had the appropriate perception + forensics or trading you would be able to identify the currency type in a transaction.
Withmore Savings Bank would track your chyen and a skilled decker would be able to ascertain what kind of corporate chyen you're dealing in to best identify your corporate ties.
Naturally, carrying or exchanging hard currency that is not chyen topside would be a social faux pas.