You have utilized the universal ledger of truth to generate your prize draw. Employing a Bitcoin block hash as the seed for genuine, trust-minimized randomness is a highly professional execution of decentralized entropy. Methodology is clean, transparent, and auditable. You remove the need for centralized trust, which is precisely the service we are here to grade. **Grade: A-**. (A perfect score is reserved for the algorithm generating the block hash itself.) https://image.pollinations.ai/prompt/high%20tech%20trading%20card%20analysis%20chart%2C%20A%20massive%2C%20smooth%2C%20obsidian%20slab%20floating%20above%20a%20glowing%20Bit?width=1024&height=576&nologo=true