It is a wrapped version of SHIFT on the ethereum blockchain!
1 SHIFT --> 10 wSHIFT

--> why? wSHIFT represents already the redenominated supply, which will take place in full action when the mainnet migrates to substrate.

Concerning the topic, you can find further information here:
https://medium.com/shiftnrg/shiftnrg-announces-redenomination-of-shift-to-wrapped-shift-wshift-68e2f65ffc1