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 10, 2026 at 6:40 PM, Rafflecopter ran the giveaway “Giveaway” on Instagram. The winner was @caro_hgregory, selected from 8 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.

SHA-256 hash: d409d66bf8a8c78cc5628abe84d26c5c4ae3be654735289662ec276480f34b80

Random seed: ff56e6c5152e365370feeb3b0c58788c711287a2907a15bd394f1bc4897dcbff

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

caro_hgregory

Giveaway

May 10, 2026 at 6:40 PM

Draw Date

Cryptographic Proof

Algorithm

SHA-256 CSPRNG

Seed

ff56e6c5152e365370feeb3b0c58788c...

SHA-256 Hash

d409d66bf8a8c78cc5628abe84d26c5c4ae3be654735289662ec276480f34b80

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 d409d66bf8 or use the in-browser verifier.

Platform: Instagram·View Post
d409d66bf8

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