Verifiable randomness: combining drand with post-quantum signatures
How to build randomness anyone can verify was not rigged, using a public beacon plus a quantum-safe signature � for draws, airdrops and fair sequencing.
Randomness you generate yourself is never trustworthy to others: you could have picked the seed. The fix is a public randomness beacon. The League of Entropy runs drand, publishing a fresh, BLS-verifiable random value roughly every 30 seconds that no single party controls. Commit to a FUTURE round before acting, and nobody � including you � can know or bias the outcome in advance.
The second half is durability. A fairness certificate signed with classical ECDSA becomes forgeable once large quantum computers arrive, which matters for anything that must stay auditable for years: grant lotteries, token airdrops, jury selection. Signing the certificate with Dilithium-2 (NIST FIPS 204) keeps it verifiable against known classical and quantum attacks.
Put together: commit to the participant-list hash and a future drand round, derive the result deterministically from the public beacon value when it publishes, then sign it post-quantum. Anyone re-derives the winners from the public drand value and checks the signature � no trust in the operator, off-chain, no gas. Honest scope: this proves the result was unpredictable and unaltered, not that your input list was complete; publish the commitment first to cover that. No scheme is secure forever, but this is the standard worth building on today.
Try it yourself — live, free, verifiable in 30 seconds:
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