This is a scaled claim that will pay 1 cent for each space tourist who takes an orbital flight around the Earth between January 1, 2015 and January 1, 2018. A tourist that takes multiple flights will be counted for each flight they take but will only be counted once for each launch, regardless of how many orbits are in a particular flight. An "orbital flight" shall be at least one complete circumnavigation of the Earth in a ballistic trajectory at a perigee altitude above 100km above sea level. Failed flights resulting in loss of passengers and spacecraft will still count as long as they had at least one complete orbit.
"Circumnavigation" will be relative to the star background, not necessarily the surface of the Earth or its position relative to the Sun or Moon (so as not to exclude geosynchronous orbit, Sun/Earth L1 orbit, etc.)
By "ballistic trajectory" we mean the path an object follows around a gravitational body after an initial impulse - but unpowered thereafter - and not dependent on aerodynamic lift, electromagnetic levitation, continuous momentum transfer methods, etc.