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 June 12, 2026 at 10:26 AM, Rafflecopter ran the giveaway “Giveaway” on Instagram. The winner was @carla428santos, selected from 428 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 99980c6a27d7d6d538d53a01302d230ef712bf1c026aae960ec74af355ab248e
Random seed: 493e884f551c3f4e76129c65b94987f1330c4f8de3f5e212a3cfc2b85ae3db38
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
Giveaway
June 12, 2026 at 10:26 AM
Draw Date
SHA-256 CSPRNG
493e884f551c3f4e76129c65b94987f1...
99980c6a27d7d6d538d53a01302d230ef712bf1c026aae960ec74af355ab248e
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 99980c6a27 or use the in-browser verifier.
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