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 6:47 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: 1b1b2ab0cbdf219a06b8222140e61e263b8d9a00ed60618ab6803ad8cfdb3fdb
Random seed: 4b74bdc43fcf330adca9814e903f53c049e34e05ff2e2d09b9f94444bf8c6eb7
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 6:47 PM
Draw Date
SHA-256 CSPRNG
4b74bdc43fcf330adca9814e903f53c0...
1b1b2ab0cbdf219a06b8222140e61e263b8d9a00ed60618ab6803ad8cfdb3fdb
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 1b1b2ab0cb or use the in-browser verifier.
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