I was using Bittrex or the better exchange Binance

I can't recommend binance. Regarding to my experience transfer to binance is absolutely unsafe.
https://steemit.com/steem/@palik/steem-is-now-on-binance-but-don-t-send-you-steem-to-binance-deposit-yet

An other one who got same issue
https://steemit.com/github/@palik/github-deprecates-anonymous-gist-creation#@crowe/re-palik-github-deprecates-anonymous-gist-creation-20180224t220331103z