What is Provably Fair? BC.Game’s provably fair system uses SHA-256 cryptographic hashing to prove that every game result was determined before you placed your bet — and hasn’t been changed. You can verify any result independently using the server seed, client seed, and nonce. No trust required — pure mathematics.
How Provably Fair Works — The 3 Seeds
Server Seed (BC.Game)
Generated by BC.Game before your game session starts. The SHA-256 hash is shared with you before you play — proving the result was pre-committed. The actual seed is revealed after you change it.
Client Seed (You)
Generated by your browser. You can change it at any time. This seed ensures BC.Game cannot manipulate outcomes after you’ve placed your bet — your random input is mixed into every result.
Nonce (Round Counter)
An incrementing number that changes with each bet. Combined with server + client seeds, the nonce ensures every single round produces a unique, mathematically deterministic result.
How to Verify BC.Game Results — Step by Step
1
Open a BC Original Game
Go to any BC Original (Crash, Mines, Plinko, Dice, Limbo, etc.). Click the fairness icon (shield/lock symbol) during or after a game round.
2
Copy Your Seeds
Note the Server Seed Hash (SHA-256), your Client Seed, and the Nonce (bet number). These three values together generate your result.
3
Use BC.Game’s Verifier
Paste the values into BC.Game’s built-in fairness calculator (found at bc.game/fairness) or use any independent SHA-256 HMAC calculator online.
4
Compare the Output
The calculator output matches the game result exactly — crash point, mine positions, plinko path, or dice number. If they match (they always do), the game was fair.
5
Rotate Your Seeds (Optional)
For maximum security, change your client seed before important sessions. This gives you fresh randomness and the previous server seed is then revealed — fully verifiable.
Pro Tip for Pakistan Players: Before every session, click the fairness icon and rotate your client seed. Enter anything unique — your username + date. This ensures your randomness is truly independent from BC.Game’s servers.
Provably Fair Games on BC.Game 2026
| Game | Category | Algorithm | Status |
|---|
| Crash | BC Original | SHA-256 HMAC | ✓ Provably Fair |
| Mines | BC Original | SHA-256 + Fisher-Yates | ✓ Provably Fair |
| Plinko | BC Original | SHA-256 Path Gen | ✓ Provably Fair |
| Dice / Classic Dice | BC Original | SHA-256 HMAC | ✓ Provably Fair |
| Limbo | BC Original | SHA-256 HMAC | ✓ Provably Fair |
| Keno | BC Original | SHA-256 + Shuffle | ✓ Provably Fair |
| Hilo | BC Original | SHA-256 Deck | ✓ Provably Fair |
| BC Wheel (New 2026) | BC Original | SHA-256 HMAC | ✓ Provably Fair |
| BC Blackjack (New 2026) | BC Original | SHA-256 Deck Shuffle | ✓ Provably Fair |
| BC Baccarat (New 2026) | BC Original | SHA-256 Deck Shuffle | ✓ Provably Fair |
| Evolution Slots/Live | Third-Party | RNG (3rd-party audited) | RNG Certified |
Is BC.Game provably fair system legit?
Yes. BC.Game pre-commits to all results using SHA-256 hashes published before play. The mathematical proof cannot be faked — any manipulation would produce a different hash, detectable instantly. BC.Game has been independently audited for RNG fairness since 2017.
Can BC.Game manipulate Crash results?
No. The crash point is determined by the SHA-256 HMAC of the server seed + client seed + nonce before the round starts. The hash is published before play. Any manipulation would produce a different hash — detectable by any player.
What if my verification doesn’t match?
This has never been documented for BC.Game. If verification failed, it would mean manipulation — but mathematically this is impossible with proper SHA-256. Always use the official BC.Game fairness calculator for accurate verification.
Do third-party slots have provably fair?
No — only BC Originals have blockchain-verifiable provably fair. Third-party games (Evolution, Pragmatic, PG Soft) use independently certified RNG systems — audited by eCOGRA or iTech Labs, but not blockchain verifiable.
How many games are provably fair on BC.Game?
All 80+ BC Originals are provably fair including Crash, Mines, Plinko, Dice, Classic Dice, Limbo, Keno, Wheel, Hilo, BC Blackjack, BC Baccarat, BC Roulette, BC Wheel, and Video Poker. New BC Originals added in 2026 also use the same system.
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