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.

Giveaway — Rafflecopter Proof of Fairness

On May 31, 2026 at 5:36 PM, Rafflecopter ran the giveaway “Giveaway” on Instagram. The winner was @sylviecdb51, selected from 30 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.

SHA-256 hash: 50b476ae502f51e950b2ba0619b026bc7286d758ceac9a62f45ec61c401fa76a

Random seed: 0be2d8221c7e37d2154d172d4927995f789b1978ee51898395f53d2bbeda501f

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.

Verified by Rafflecopter

Winner

sylviecdb51

Giveaway

May 31, 2026 at 5:36 PM

Draw Date

Cryptographic Proof

Algorithm

SHA-256 CSPRNG

Seed

0be2d8221c7e37d2154d172d4927995f...

SHA-256 Hash

50b476ae502f51e950b2ba0619b026bc7286d758ceac9a62f45ec61c401fa76a

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 50b476ae50 or use the in-browser verifier.

Platform: Instagram·View Post
50b476ae50

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