Steemd.com is the block explorer for now.
https://steemd.com
With this site you can look at your stats.
https://steemd.com/@drei4u
Also look at the Distribution
https://steemd.com/distribution
And Witnesses
https://steemd.com/witnesses
For withdrawing from Bittrex, @cyrano.witness is right.
Just use your Steemit account name. It worked for me.
I hope this was helpful.