Erupters bitcoin charts
A hybrid DDoS defence gives you the best of both worlds by combining cloud scrubbing with the surgical precision and context-aware controls of an always-on, instant on-premise DDoS solution. OMG had about a 7 drop in a very short timeframe recently. Disclaimer Cryptocoinjudge. I think Poloniex has been slow the last couple of weeks, but leonArdo has its own issues which we are working hard to fix.
Bittrex is one of the larger crypto to crypto exchanges offering a large number of trading pairs into bitcoin.