
Project 11 challenges everyone to crack the Bitcoin key using a quantum computer. The reward is 1 BTC
Project 11, a quantum computing research company, announced a competition titled the Q-Day Prize on April 16, 2025. To win, participants must break the largest portion of a toy version of Bitcoin’s ECC key using Shor’s algorithm on a quantum computer. The deadline is April 5, 2026. The prize: 1 BTC. The mission behind the…