Changelly Fees. Numerous reviews stated the fact that Changelly fees when converting cryptocurrency to fiat are quite expensive. They mentioned on their website. Changelly PRO security rating Is D with 22% security score. Overall, the exchange is uncertified without approved penetration test, without ongoing bug bounty, CoinTracker integrates directly with Changelly to make tracking your balances, transactions and crypto taxes easy. ... To add your this exchange transactions, Changelly is a fast and relatively anonymous cryptocurrency exchange service that allows you to trade almost any cryptocurrency out there.