Provably fair hash verifier
Best fairness verifier
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Provably fair verifier: paste a revealed server seed, client seed and nonce to recompute the round with HMAC-SHA256 in your browser. Try it.
PH · launched Nov 8, 2026 · 1 upvote (top 65%) · 0 views
Niche: encryption and cryptography tools · 147 launches, 21 in the last 7 days ▲ +40% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Tech
- Games
- Entertainment
Visit website ↗ Source listing ↗
More like this: all 147 launches in encryption and cryptography tools →
Could you build this?
Yes Recomputing HMAC-SHA256 provably-fair outcomes from seeds and nonce in the browser is a small, self-contained utility using the Web Crypto API.
Competitors
Other products that read as similar to this one : 45 launches clear the similarity bar, closest 8 shown.
Attention rank: #18 of 46 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 322 days after the earliest competitor.
- Double blind entropy using Drand for verifiably fair randomness · hn · 2026-02-12 · 21 upvotes · similarity 0.43
- genpark-consistent-hashing-virtual-nodes-skill · github · 2026-09-10 · 7 upvotes · similarity 0.41
- Doc Notary · ph · 2026-11-05 · 1 upvotes · similarity 0.39
- advanced-hash-calculator · github · 2026-11-10 · 102 upvotes · similarity 0.39
- Scheme HTTP server with transparent async · hn · 2026-03-29 · 17 upvotes · similarity 0.38
- File Hasher · ph · 2026-10-13 · 1 upvotes · similarity 0.37
- Secure Gmail Sender Verifier · ph · 2026-09-20 · 1 upvotes · similarity 0.37
- polyxor · github · 2026-09-26 · 53 upvotes · similarity 0.37
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.