Quote from: dice64 on August 20, 2013, 10:52:34 PM

Quote from: Benson Samuel on August 20, 2013, 10:17:31 PM

Quote

Once you click the Play button, we shuffle the transaction id that you sent your payment with and add that to the client seed provided by you. We then hash the strings with SHA256 to get the result. The first X numbers in that string set the winning spin. The client seed can be changed by the player and the shuffled transaction ID is printed after every play in order to verify.

Any thoughts on this?
Is this method considered provably fair with provable results?

The player can cheat using this method, since they can make the txid anything they want by repeating the signing process and then set their client seed so they can generate a specific hash and result.

How about shuffling the SHA 256 Hash of the client and server seed? That should make it unpredictable without adding a secret?