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 2:39 PM, Rafflecopter ran the giveaway “جایزه ۱۰کا شدن بلک تپ” on Instagram. The winner was @sadeg.delkhoon, selected from 85 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 1cc550b98c8f2df2471f66066adbc4efc0af1212669b61ad9e775ccaf052651f
Random seed: 1a59920f4432666decb25c89f620010f07a63d9af337113e860929f045d666a5
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 2:39 PM
Draw Date
SHA-256 CSPRNG
1a59920f4432666decb25c89f620010f...
1cc550b98c8f2df2471f66066adbc4efc0af1212669b61ad9e775ccaf052651f
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 1cc550b98c or use the in-browser verifier.
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