Helbiz have announced that Hitbtc will list Helbiz very soon. I think Hitbtc is the exchange which they mentioned "one of the 10 biggest exchanges."
İf Hitbtc is an extra one this is a good news.
By the way one of the 3 biggest is coming soon.
Helbiz (HBZ), ETH, BTC & USDT pairs will be available on HITBTC tomorrow Friday May 25th