View All. Instant ID NDAX Login: Canada’s Most Secure Crypto Exchange. Buy and sell Bitcoin and other cryptocurrencies on our secure Canadian trading platform. Sign up to NDAX is a platform for trading Bitcoin, Ethereum and other digital assets in Canada. Sign up to create an account, transfer funds, and access low trading fees and advanced features. Buy and sell Bitcoin and other cryptocurrencies on our secure Canadian trading platform. Sign up to start trading 30+ coins online or in our mobile app. Log in to NDAX Login , the most secure crypto exchange in Canada. Trade and manage your digital assets with ease and confidence on our trusted platform. NDAX is a platform for buying, selling and trading Bitcoin, Ethereum and other digital assets in Canada. Sign up to create an account, transfer funds, and access low trading fees