I am trying to create account on bittrex but this exchanger close to new registration.So what is the next trusted and security exchanger?Some exchanger are so boring fro trade because of high fees delay withdraw or deposit scam etc.
I'm going to relieve you from the trouble, you're going through. Here's an exchange which doesn't require users to sign up, has no issues yet and is a great exchange. All you need to have is wallets of two crypto currencies you want to exchange and the amount of money you want to exchange. Here is the link of the exchange :-
https://shapeshift.io/#/coinsBe sure to check out the FAQ: -
https://shapeshift.zendesk.com/hc/en-us