Check XSN project then..
Next month will have first Descentralized exchange build on top of Masternodes, it will be the first most secured exchange...
You will be able to exchange coins from your personal wallet or Ledger Nano without the necessity to have your coins in the exchange...
It’s currently active and working the TPOS service (trustless Proof of Stake), you can stake your coins offline, without any risk to loose them!