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 7:58 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: 1f69ce108422abe99a50df5cf85f9fdd1ffc8c7ce2f69e1874892ce50448882c
Random seed: 075996b47e5da6bef55d126c368b22b3ca5475450599418d33a1cc3959d89b4d
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 7:58 PM
Draw Date
SHA-256 CSPRNG
075996b47e5da6bef55d126c368b22b3...
1f69ce108422abe99a50df5cf85f9fdd1ffc8c7ce2f69e1874892ce50448882c
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 1f69ce1084 or use the in-browser verifier.
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