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 22, 2026 at 2:38 PM, Rafflecopter ran the giveaway “جایزه ۱۰کا شدن بلک تپ” on Instagram. The winner was @_erfan_engardeh_, selected from 85 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 3f844ccc5f0026ac8d00fe678c5a853743312fa4eff35e970a73686a4cce7b8e
Random seed: 833aa161c8e6be6eba09e3d84d526b08838bb3258cc70a2b70f98472ec73e468
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
جایزه ۱۰کا شدن بلک تپ
August 22, 2026 at 2:38 PM
Draw Date
SHA-256 CSPRNG
833aa161c8e6be6eba09e3d84d526b08...
3f844ccc5f0026ac8d00fe678c5a853743312fa4eff35e970a73686a4cce7b8e
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 3f844ccc5f or use the in-browser verifier.
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