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 6:58 PM, Rafflecopter ran the giveaway “BLUE Ball × Ateliê450° - Jantar²” on Instagram. The winner was @vinipaes_, selected from 133 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 808c0b481104c048aaf9f00c7bc8d91953c751e354e47ed5c2c2f2385de03a55
Random seed: 9446cf002fa91f30eacee5b9d126108a7eba1e2bb4b9ed659f35302fdb5c9bd2
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 6:58 PM
Draw Date
SHA-256 CSPRNG
9446cf002fa91f30eacee5b9d126108a...
808c0b481104c048aaf9f00c7bc8d91953c751e354e47ed5c2c2f2385de03a55
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 808c0b4811 or use the in-browser verifier.
Powered by Rafflecopter — fair, cinematic, and verifiable giveaways. Run yours →