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ZIP Casino

The fairest casino: we give you the future correct answer before you choose your bet. It is delivered as a password-protected ZIP file. After the game, we give you the password so you can verify nobody changed the winning number to make you lose.

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Round info

You have $0.00 USD

Win / Lost $0.00 USD

The casino randomly chooses a number from 0 to 99 and writes it into a password-protected ZIP file. Then you must guess which range contains that number: either 0-49 or 50-99, or in 1/10 mode one of the ranges 0-9, 10-19, 20-29, and so on.

People often lose in casinos not because of bad luck, but because casinos cheat them and can change the game result so the player loses.
ZIP Casino is built to remove that trust problem: we generate the winning number before your bet, lock it inside a password-protected ZIP file, and give you that ZIP file.
You download that ZIP to your computer before choosing a range, so we cannot change your local proof.
After the game, the password is revealed. Open the ZIP and verify that the answer was already there.

ZIP Casino history

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