Duel Crash’s zero-edge offer needs two separate calculations: the result of the game and the rakeback credited on eligible bets. Combining them can produce a zero expected net loss under the stated conditions. It does not make every round a win or change the crash point.
What Duel’s zero-edge FAQ says
The official FAQ describes a 0.1% base edge for Originals and instant rakeback of 0.1% of eligible stakes within the zero-edge allowance. Once the allowance is exhausted, that refund stops until the next daily reset. Duel explicitly says the game rules remain unchanged. Its separate explanation for original slots should not be applied to Crash.
The account’s allowance and eligibility rules determine which stakes receive rakeback. An allowance is a condition on a refund, not an amount a player needs to wager.
A worked example: return versus refund
Assume $10,000 of total stakes, all eligible for a 0.1% refund, and a base theoretical return of 99.9%. The calculation is:
| Component | Amount |
|---|---|
| Expected game loss: $10,000 × 0.001 | $10 |
| Eligible rakeback: $10,000 × 0.001 | $10 |
| Expected net loss after that refund | $0 |
This is an expectation, not a session statement. If the actual game result is a $600 loss, the $10 refund leaves a $590 loss. If part of the turnover is outside the allowance, that part cannot receive the same refund in this example. Fees or other account conditions are not included.
Why rakeback does not establish crash probabilities
A rebate on stakes does not establish a 50% chance of reaching 2x, a 10% chance of reaching 10x or the absence of instant crashes. Those probabilities require the game’s outcome distribution, rounding rules and treatment of boundary values.
For an illustration only, a model with survival probability 0.999 divided by the target would give 49.95% at 2x before rakeback. That is a mathematical example, not a verified description of Duel Crash’s algorithm. The distinction matters because a losing round can remain a losing round even when its stake earns a small refund.
What a fairness check can tell you
A reproducible check needs the documented algorithm and the relevant round inputs. A badge alone does not show that a specific round was independently checked. Verification of a game result also does not verify withdrawal processing, account eligibility or the financial condition of an operator.
How to interpret comparisons
Compare game return, conditional rebates and account terms separately. A headline of “100%” that includes cashback is not directly interchangeable with a game whose payouts themselves have that theoretical return.
See the Russian version for the same distinction, or browse other game reviews. Zero expected loss does not remove the risk of losing a finite balance. Set a loss limit independently of any promotion; our responsible gambling policy lists support resources.
Frequently asked questions
Does zero edge mean a losing session is refunded?
No. In the described offer, eligible stakes receive 0.1% rakeback. A $1,000 eligible turnover produces $1 of rakeback regardless of whether the game loss is much larger.
Does rakeback change the crash point?
The operator’s FAQ says the rules do not change. Cashback is accounted for separately from the game result.