How Exchanges Detect a VPNCrypto exchange VPN detection does not rely on a single check. A Flagged Account, and What FollowsA VPN account frozen by an exchange is rarely an instant ban. Using a VPN With an Exchange SafelyA VPN is genuinely useful for exchange access when you use it for what it is good at. Using a VPN to evade a geo-restriction gets flagged, because exchanges detect datacenter IPs and VPN traffic fingerprints, and the result is often frozen funds. Using a VPN to circumvent an exchange’s terms of service may result in account closure or loss of funds.