Spacebank Heist

On its opening moment, the Spacebanks designer declared it to be unheistable because of the relativistic time effects of its close orbit around a black hole. Someone did a heist in the very next millisecond, at 2.048791 unified solar time. Since then, the spacebank has been heisted over one billion times, regardless of the number of armed guards, bombs, trap mines, or missile launchers used to defend it. You are the latest heister, ready to make your space fortune, and it would be so embarassing...