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 31, 2026 at 12:10 PM, Rafflecopter ran the giveaway “Comemoração 2k” on Instagram. The winner was @ariel.so23, selected from 23 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.
SHA-256 hash: 850fc44e0442839948549941d5929014f78df2fec1b2f403a2982b7d884eefc9
Random seed: dc49b2d7d4bfbcbd8924ed8f54e9eaec9b6cfa4fdc4a38c382be3160076e540a
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
Comemoração 2k
August 31, 2026 at 12:10 PM
Draw Date
Winners (in order)
SHA-256 CSPRNG
dc49b2d7d4bfbcbd8924ed8f54e9eaec...
850fc44e0442839948549941d5929014f78df2fec1b2f403a2982b7d884eefc9
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 850fc44e04 or use the in-browser verifier.
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