They're an OTC platform and retailer. Meaning when customers buy or sell through their platform, the counterparty is Bitprime, not other customers. As for their

They're an OTC platform and retailer. Meaning when customers buy or sell through their platform, the counterparty is Bitprime, not other customers. As for their "swap" service, that's just proxied to Changelly, another company. Looks like they don't even maintain custody of user funds at all. All this is very clear from the existing docs on their site.