I just had to see how it works!
I have it auto-populating a signature as well!
If you have BitShares on the Dex you might be able to claim some whaleshares, check it out http://whaleshares.io
https://wallet.bitshares.org/?r=staticinstance#/market/WHALESHARE_BTS
Oh, by the way, are you looking for a decentralized exchange?
Try BitShares!
https://wallet.bitshares.org/?r=staticinstance
Made by the creator of Steemit and EOS!