How to Implement a Blockchain-Based Provably Fair Casino Game?

James Scott - Feb 24 - - Dev Community

Question-
How can you implement a provably fair gaming mechanism using blockchain hashing?

Challenges Faced-
Generating deterministic but verifiable randomness.
Allowing players to verify fairness without exposing results beforehand.
Ensuring transparency while maintaining security.

Solution-
Use SHA-256 hashing to create a provably fair seed:

python

import hashlib

server_seed = "CasinoSecret123"
player_seed = "PlayerBet456"

combined_seed = server_seed + player_seed
hashed_result = hashlib.sha256(combined_seed.encode()).hexdigest()

print("Provably Fair Hash:", hashed_result)
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๐Ÿ”น Why this works-

  • The server commits to a secret seed before the bet.
  • The player provides an independent seed.
  • The result is generated after both are combined, making it verifiable.

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