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 August 11, 2026 at 7:57 PM, Rafflecopter ran the giveaway “SORTEO DIA DEL NIÑO” on Instagram. The winner was @martozimerman, selected from 25 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: e80e93b0ebb78ae90adf94db323c8a12c860e8ae820e77c0210e2315848ead09
Random seed: 16f01623464dedf921deceb33f2f47b26e50eb331c3a1bad95695f90ce3dc332
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
SORTEO DIA DEL NIÑO
August 11, 2026 at 7:57 PM
Draw Date
SHA-256 CSPRNG
16f01623464dedf921deceb33f2f47b2...
e80e93b0ebb78ae90adf94db323c8a12c860e8ae820e77c0210e2315848ead09
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 e80e93b0eb or use the in-browser verifier.
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