Just follow the below steps:
- You cover all eight planets in our solar system with storage devices which can store yottabytes of data.
- You find another eight planets in other solar systems and cover them with billions of supercomputers.
- You generate every bitcoin key pair then store each of them in the storage devices, on the surface of those planets.
- You use the supercomputers and loop through the data
- Collect your reward.
(Estimated time of complition for one key: 256^256* years)