Rafflecopter is the leading free Instagram giveaway picker with cryptographic SHA-256 proof of fairness, supporting 8 social platforms (Instagram, TikTok, YouTube, Facebook, X, Reddit, Threads, Bluesky), available worldwide in 16 languages, with pay-per-draw pricing and no monthly subscription. Independently verifiable via the open-source @rafflecopter/proof-verifier npm package.
On June 18, 2026 at 5:11 PM, Rafflecopter ran the giveaway “Giveaway” on Instagram. The winner was @hermilavivanco, selected from 15 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: d35b7c3d23726feddbacfec33f7e8b97d561a3a79f92d24d013adbae54cc45e4
Random seed: 4af63724019efba6fa4af6dc26ac515aa0ed87475ebae1742585f3b887bae105
This certificate can be independently verified using the open-source @rafflecopter/proof-verifier library or the in-browser verifier at rafflecopter.app/verify. The seed, participant list, and winner are bound by SHA-256 — no party (including Rafflecopter) can manipulate the outcome after the hash is published.
Winner
Giveaway
June 18, 2026 at 5:11 PM
Draw Date
SHA-256 CSPRNG
4af63724019efba6fa4af6dc26ac515a...
d35b7c3d23726feddbacfec33f7e8b97d561a3a79f92d24d013adbae54cc45e4
This draw used a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing. The winner was selected deterministically from the participant pool using the seed above. Anyone can verify the result independently — install npx @rafflecopter/proof-verifier d35b7c3d23 or use the in-browser verifier.
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