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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.

BybitEU x Stockholm Open — Rafflecopter Proof of Fairness

On October 9, 2026 at 3:52 AM, Rafflecopter ran the giveaway “BybitEU x Stockholm Open” on Instagram. The winner was @farcuscostinvalentin, selected from 13 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.

SHA-256 hash: 45456eab54658cff0d27cd9df8315c3eeed5bb27e75841ebd08290a6c0e9d770

Random seed: 5ea97fc949d04f41f998210501eb10828f7aacad2e8a3c57403adbeeaad7d542

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

farcuscostinvalentin

BybitEU x Stockholm Open

October 9, 2026 at 3:52 AM

Draw Date

Cryptographic Proof

Algorithm

SHA-256 CSPRNG

Seed

5ea97fc949d04f41f998210501eb1082...

SHA-256 Hash

45456eab54658cff0d27cd9df8315c3eeed5bb27e75841ebd08290a6c0e9d770

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 45456eab54 or use the in-browser verifier.

Platform: Instagram·View Post
45456eab54

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