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 May 31, 2026 at 6:59 PM, Rafflecopter ran the giveaway “BLUE Ball × Ateliê450° - Jantar²” on Instagram. The winner was @madsoonqueen, selected from 133 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 4426b65bd77843469246f3f84cf5d9035dc7a033b30bbb137f68f9192b26ca66
Random seed: 55b62c28181b18f0257beed6e429a91171ef78f27b5a9bbe96293ebc1996a0b6
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
BLUE Ball × Ateliê450° - Jantar²
May 31, 2026 at 6:59 PM
Draw Date
SHA-256 CSPRNG
55b62c28181b18f0257beed6e429a911...
4426b65bd77843469246f3f84cf5d9035dc7a033b30bbb137f68f9192b26ca66
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 4426b65bd7 or use the in-browser verifier.
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