Research
Investigations, analyses and education from our audit work.
Published, whatever the verdict.
The findings record
What we found when we checked casino game claims. Open a finding to see the evidence.
WinnaVIP SlideInvestigation: Winna VIP Slide
Disputed bets had no independently verifiable pre-bet commitment.
BetFuryLimboInvestigation: BetFury Limbo — Provably Fair + RTP Fail
Lower returns across 60,000 bets; outcomes couldn’t be proven.
WinnaPaytable swapInvestigation: Winna Paytable Swap
Returns cut without notice, verified across three months of live bets.
MoonrollPlinko checkerInvestigation: Moonroll Plinko Verifier Fail
The checker used different inputs, game logic and RTP from live Plinko.
Luck.ioProov ProtocolInvestigation: Luck.io Full Audit
A technical security review of the on-chain records and off-chain game engine.
The library
Traditional Game Testing vs Provably Fair
What testing badges prove, what players can verify, and where independent auditing fits.
10 articles and investigations

Winna: $10.5M wagered on a private VIP version of Slide

BetFury: 60,000 bets. 99.02% advertised. 97.33% returned.
A fair game can still wipe out your bankroll.
Why Certify Your Provably Fair Games?
Introducing ProvablyFair.org Certification
Winna: paytables silently swapped — RTP moved from 99% to 98% for three months
Traditional Game Testing vs Provably Fair
The history of provably fair gaming

Moonroll: a “fairness checker” that couldn’t verify a single real bet
Investigation: Luck.io Full Audit
Verify your own bet
Verify your bet against the audited game code.
— bets verified by players
Check your own bet.
Use your bet link or ID to reproduce the result yourself.
— bets verified by players
Operate in-house games?
Provably fair tells players how your games should work. We verify that’s how the live games actually work.
We verify that your live games work as advertised.
See the certification productExplore certification