As the cryptocurrency market strengthens its lifespan, one of the biggest problems in this process is that the networks are completely different from each other. In other words, communication between the Ethereum network and the Bitcoin network is not possible. This is because there is no blockchain bridge to connect to these networks.
Reports to storage state that there are "reliable sources in the system" as goods can be stolen and support cannot be paid. WBTC has private keys printed and only Bitcoins are sent for sale on demand.