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PoW (Proof of Winner)

Live Giveaway Tool by Not a Punks Cult

Connect your wallet to run a giveaway

You'll need to connect your wallet to create and manage giveaways.

How Proof of Winner (PoW) Works

This tool provides a transparent and verifiable way to conduct NFT giveaways using a deterministic hashing algorithm, designed especially for live events.

  1. Setup: Add the NFTs for giveaway and the list of entrants (addresses and entry counts). The tool calculates an initial hash of the full entrant list for later verification.
  2. Select & Configure: Choose an NFT and a draw type (e.g., remove winner, decrement entries, keep winner).
  3. Hashing Process: When starting the draw, the tool combines your connected wallet address, the selected NFT's details, the entrant list hash, and the precise start timestamp. This data, along with an incrementing attempt number, is hashed (SHA-256) in each iteration.
  4. Finding a Winner: Hashing continues until a hash is generated where the last 4 characters match the last 4 characters of an eligible entrant's wallet address (case-insensitive). If multiple entries match (due to multiple entrants sharing the same last 4 characters, or one entrant having multiple entries), a winner is chosen deterministically from the matching entries using a number derived from the winning hash itself.
  5. Verifiability: The winning hash, start timestamp, NFT details, draw configuration, and the original entrant list (with its hash) are saved. Anyone can independently recalculate the hash sequence using this data to verify the winner was chosen fairly and deterministically.

Why this approach for Live Giveaways? This method is fast and free (no gas fees for the draw itself), providing immediate results suitable for live streams or events. While the result isn't directly recorded on-chain *during* the draw, the saved data allows anyone to verify the outcome cryptographically afterward, ensuring transparency.

Disclaimer: This tool is currently provided as a proof-of-concept to demonstrate this unique, verifiable off-chain drawing technique. Use at your own discretion.