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Fair Draw Desk — Starknet

Starknet · Cairo

Equal-chance draw on Starknet with the same fairness principle: freeze the ordered ticket set, request unbiased randomness, winner = randomness mod N. Contract commentary is Cairo-oriented. Explorer ↗

Verify yourself on ZK L2

  1. Open Starkscan and open the published pool contract / class.
  2. Read get_pool(felt252) or storage for entry_commitment and committed_count (N).
  3. Locate the fulfill/draw event that carries randomness from the entropy adapter.
  4. Compute winner = randomness mod N in your browser (widget below) — same rule as EVM.
  5. Starknet commitments often use Poseidon or Pedersen (not keccak256); use the hash the contract documents.

Verify your ticket or NFT code

Before the draw: confirm your ticket exists and is settled. After the draw: see whether you won with equal chance for every ticket on this network path.

How the draw is fair on ZK L2

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