I'd like to compare it against BitCNY, Maker DAI and other stablecoin solutions, and what value it brings to QTUM.
Qcash afaik is like the chinese tether. It's price is fixed to the RMB. I'm not sure what value it adds to qtum directly, but it is built on the qtum platform.
Based on this link I think you're incorrect - its closer to a stablecoin than to tether. However, I can't find any confirmation of this. Frustrating. Patrick?
"https://www.reddit.com/r/Qtum/comments/7gaskn/qcash_is_a_independent_digital_currency_contracts/
"QC(Qcash)is a independent digital currency contracts which based on QTUM blockchain and issued by Qcash foundation.Its price at $0.15 (1RMB).
The QC foundation can make some of QC into circulation in the form of digital currency mortgages. QC in circulation will be mortgaged at least 100%, and the collateral can be one of the BTC, BCH, ETH, LTC, QTUM, HSR, etc.
All users can participate in mortgage and public display. The fees income generated in circulation is distributed evenly according to the collateral, and the mortgage is unified by the QC foundation.
www.zb.com""
if you have Qcash, you can always change to BTC or LTC or Qtum.
right now, the endorsement is mainly made by ZB Platform and some other Platform.
they will announce the reservation soon i think, but have no details on this.