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.

Giveaway — Rafflecopter Proof of Fairness

On May 8, 2026 at 4:38 PM, Rafflecopter ran the giveaway “Giveaway” on Instagram. The winner was @ntina_mpoumpouri, selected from 46 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.

SHA-256 hash: 399f86f5ef17b860070a515d0b8e70e6cda7171e84fb7341c7a341484911fa17

Random seed: f6f7940bae0ff082c1f5d80eddd660b9a04ae05f256f3c78347ef9e9b0f1de8e

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.

Verified by Rafflecopter

Winner

ntina_mpoumpouri

Giveaway

May 8, 2026 at 4:38 PM

Draw Date

Cryptographic Proof

Algorithm

SHA-256 CSPRNG

Seed

f6f7940bae0ff082c1f5d80eddd660b9...

SHA-256 Hash

399f86f5ef17b860070a515d0b8e70e6cda7171e84fb7341c7a341484911fa17

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 399f86f5ef or use the in-browser verifier.

Platform: Instagram·View Post
399f86f5ef

Powered by Rafflecopter — fair, cinematic, and verifiable giveaways. Run yours →