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 7:03 PM, Rafflecopter ran the giveaway “BLUE Ball × Ateliê450° - Jantar²” on Instagram. The winner was @tomaleco_, selected from 133 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 9341479dcaafafbc309ce11e82a50b8c9b7b2dafe4929d728a510a686f8695e1
Random seed: 2dfb52f228249c1e33607a2a09ddec2a0c73a9d92f270ef3c7a7a61d40536bdb
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 7:03 PM
Draw Date
SHA-256 CSPRNG
2dfb52f228249c1e33607a2a09ddec2a...
9341479dcaafafbc309ce11e82a50b8c9b7b2dafe4929d728a510a686f8695e1
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 9341479dca or use the in-browser verifier.
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