Damn… just the day before I could change my Bitcoins to Steem via changelly.com in a very comfortable way. Thanks to 
Today I tried to do the same. But: No Steem Support at changelly.com for now. Headed over to FB-Page and asked the team if I was the stupid… Answer was
"…The issue with Steem turned out to be more complicated than we thought. Hopefully, this currency will be returned in the nearest time.…"
Hopefully the support for Steem at changelly.com will be back soon.
Update (29.8.2017): Geht übrigens wieder, habe gestern mit changelly.com Bitcoins in Steem tauschen können. Wie gewohnt transparent (Gebühren werden klar gelistet), schnell und komfortabel.
Update (29.8.2017): It is working again. You can change Steem for BTC (or other cryptocurrency) like you used to. Very comfy and with very low fee.