Advanced bipropellant fuels with fast ignition upon mixing with storable oxidizer have been synthesized and demonstrated. Each of the coils has at least one pair of end wires. The host processor may be removably associated with a contactless component storing the second secret data which is contactlessly transmitted to the controller. When a subscription registrar requests notification of events that match a subscription’s filter criteria, only the subset of event records corresponding to the appropriate superset of common properties are evaluated against the subscription.