Do you mean comms by way of entanglement? Sure, you could bring entangled particles far apart but you can't set their state. You can only look at it and you know that the person looking at the entangled particle will see the same state
Or, if they're rich, they can post a truckload of USD as collateral and short it. They don't need BSV to suppress the BSV price. That's why i find it funny when core cucks tell Bitfinex to delist BSV. If they did, then we would have our moonshot