The CEO of Binance wrote a post underscoring this recently:
https://www.linkedin.com/pulse/binance-listing-tips-changpeng-zhao/
I have done a bit of research and it seems that the only unpermissioned exchange is EtherDelta. For more on custodial vs non-custodial exchanges and what that means I recommend reading this EverCoin blog:
https://blog.evercoin.com/custodial-vs-non-custodial-exchanges-1890996401bd
Thanks for the answer & research man I also searched and did not found that article on linked in wich looks to be a very good starting point!
What about the small exchanges like kukoin or ether delta , Would be awsome to meet somebody that handled this.