From IRC #whitecoinfoundation

Staking is working on testnet... quick update from the Dev's:

"As soon as I know the wallet is stable and network is stable, I am going to work with the exchange owners to make sure they are all updated."

"At a very minimum, Cryptsy, Mintpal, and Poloniex will be updated before we push binaries to everyone"

"After that, pools will be contacted and updated."

"Finally, binaries will be built for OS X and Windows"

@tf2honeybadger