If you are starting or running an exchange, going with Bitgo may be heavy on your expenses, but takes care of big security headaches.
We are a Cryptocurrency Exchange started in 2017, launched in April 2018. We are using Bitgo to support all our coins and they have played a significant role in our growth.
By using Bitgo we are able to support multiple coins without getting into the details and vulnerabilities of each coin. It is not exactly a plug and play solution, but still for a startup oSee full review