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Show HN: On-chain file authenticity via Solana NFT
(deepfakesafety.com)
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1 points
by dude3
238 days ago
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DeepFakeSafety computes a SHA-256 hash of a file locally (never uploaded), signs that hash with your private key, and writes the resulting proof to Solana as an NFT. Later, anyone can verify:
- The file is unchanged (same hash)
- Who signed it (public key)
- When the proof was created (block time)
- No centralized server is required. |
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