CoinSpot Login® | Sign In to Your Account. Certified with Blockchain Australia and Sustainable Certification, we want our users to feel as Sign up and verify with your email, mobile number CoinSpot is the largest, most established exchange in Australia since 2013. Buy, sell and swap over 530 cryptocurrencies with low fees, high security and 24/7 support. CóinSpot is an Australian-based crypto exchange established in 2013. CóinSpot Login | Log in to Your Account.