By existing in multiple states at once, you can simultaneously be alive and dead, making it impossible to detect the exact moment of demise.
Learn more about Quantum Superposition Self-Destruction
By entangling your consciousness with a nearby particle, you can create a closed timelike curve, effectively making your death both a cause and effect of your own actions.
Explore the Quantum Entanglement Induced Causality Loophole
By transmitting your consciousness to a distant black hole, you can avoid the tedium of actually existing in the first place.