Changelly, a cryptocurrency exchange and aggregation platform, has been rated 4.4 out of 5 in a 2025 review for its security and usability. Operating in over 170 countries and serving more than 10 million users, Changelly facilitates instant crypto swaps and fiat transactions without holding user funds. The review highlighted the platform's non-custodial model, which minimizes hacking risks, and its fixed 0.25% fee for crypto swaps. Despite facing regional restrictions and occasional KYC delays, Changelly is considered legitimate and secure, with no reported hacks or data breaches since its inception in 2015. The platform's commitment to security and reliability has contributed to its positive reputation in the cryptocurrency community.