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 8:06 PM, Rafflecopter ran the giveaway “SORTEO DIA DEL NIÑO POR 50K” 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: 736fe7ec6c298d3d8438c54c7d2aa37b3124b73c8e8c5a5f55ed6d607ae7891e
Random seed: 111440067c06f7604eea86f145d755a46e43650307cf7ddc9a6fa5834b70f518
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 POR 50K
August 11, 2026 at 8:06 PM
Draw Date
SHA-256 CSPRNG
111440067c06f7604eea86f145d755a4...
736fe7ec6c298d3d8438c54c7d2aa37b3124b73c8e8c5a5f55ed6d607ae7891e
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 736fe7ec6c or use the in-browser verifier.
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